Finding the Fourth Proportional to 614,734.10, 922,101.15 and 559,621.70
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Solution
The fourth proportional to 614,734.10, 922,101.15 and 559,621.70 is: 839,432.55
Step by Step Solution
- Step 1: Write the proportion equation
614,734.10 : 922,101.15 = 559,621.70 : x - Step 2: Convert to fraction form
614,734.10/922,101.15 = 559,621.70/x - Step 3: Cross multiply
614,734.10x = 922,101.15 × 559,621.70 - Step 4: Simplify right side
614,734.10x = 516,027,813,134.96 - Step 5: Solve for x
x = 516,027,813,134.96/614,734.10 - Step 6: Final answer
x = 839,432.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.