Finding the Fourth Proportional to 416,407.56, 627,205.08 and 387,208.68
Calculator
Solution
The fourth proportional to 416,407.56, 627,205.08 and 387,208.68 is: 583,224.88
Step by Step Solution
- Step 1: Write the proportion equation
416,407.56 : 627,205.08 = 387,208.68 : x - Step 2: Convert to fraction form
416,407.56/627,205.08 = 387,208.68/x - Step 3: Cross multiply
416,407.56x = 627,205.08 × 387,208.68 - Step 4: Simplify right side
416,407.56x = 242,859,251,116.09 - Step 5: Solve for x
x = 242,859,251,116.09/416,407.56 - Step 6: Final answer
x = 583,224.88
Related Problems
Find fourth proportional to 208,203.78, 313,602.54 and 193,604.34
Half scale
Find fourth proportional to 832,815.12, 1,254,410.16 and 774,417.36
Double scale
Find fourth proportional to 416,408.56, 627,206.59 and 387,209.68
Similar ratio
Find fourth proportional to 624,611.34, 940,807.62 and 580,813.02
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.