1.) add all the numbers in the ratio
2.) use the first term in the ratio as the numerator than use the sum us the denominator.
3.) then for the other fraction to be cross multiplied use n or ? us the numerator and the denominator will be the number to be divided in to proportion
4.) do the same proceure.
A father wants to leave 4 675 000 to his 3 children in the ratio of 1:3:4. How much will each of the four children receive?
1 = n = 8nX =4 675 000X1
8 = 4 675 000 = 8nX= 4 675 000
8 8
n= 584375