Finding the Fourth Proportional to 932,943.12, 1,288,184.80 and 728,637.36
Calculator
Solution
The fourth proportional to 932,943.12, 1,288,184.80 and 728,637.36 is: 1,006,084.46
Step by Step Solution
- Step 1: Write the proportion equation
932,943.12 : 1,288,184.80 = 728,637.36 : x - Step 2: Convert to fraction form
932,943.12/1,288,184.80 = 728,637.36/x - Step 3: Cross multiply
932,943.12x = 1,288,184.80 × 728,637.36 - Step 4: Simplify right side
932,943.12x = 938,619,571,864.13 - Step 5: Solve for x
x = 938,619,571,864.13/932,943.12 - Step 6: Final answer
x = 1,006,084.46
Related Problems
Find fourth proportional to 466,471.56, 644,092.40 and 364,318.68
Half scale
Find fourth proportional to 1,865,886.24, 2,576,369.60 and 1,457,274.72
Double scale
Find fourth proportional to 932,944.12, 1,288,186.18 and 728,638.36
Similar ratio
Find fourth proportional to 1,399,414.68, 1,932,277.20 and 1,092,956.04
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.