Finding the Fourth Proportional to 534,006.87, 737,286.28 and 316,285.55
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Solution
The fourth proportional to 534,006.87, 737,286.28 and 316,285.55 is: 436,685.39
Step by Step Solution
- Step 1: Write the proportion equation
534,006.87 : 737,286.28 = 316,285.55 : x - Step 2: Convert to fraction form
534,006.87/737,286.28 = 316,285.55/x - Step 3: Cross multiply
534,006.87x = 737,286.28 × 316,285.55 - Step 4: Simplify right side
534,006.87x = 233,192,996,577.25 - Step 5: Solve for x
x = 233,192,996,577.25/534,006.87 - Step 6: Final answer
x = 436,685.39
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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.