Finding the Fourth Proportional to 516,414.70, 774,622.05 and 496,731.70
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Solution
The fourth proportional to 516,414.70, 774,622.05 and 496,731.70 is: 745,097.55
Step by Step Solution
- Step 1: Write the proportion equation
516,414.70 : 774,622.05 = 496,731.70 : x - Step 2: Convert to fraction form
516,414.70/774,622.05 = 496,731.70/x - Step 3: Cross multiply
516,414.70x = 774,622.05 × 496,731.70 - Step 4: Simplify right side
516,414.70x = 384,779,327,753.99 - Step 5: Solve for x
x = 384,779,327,753.99/516,414.70 - Step 6: Final answer
x = 745,097.55
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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.