Finding the Fourth Proportional to 672,086.92, 927,472.74 and 385,652.08
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Solution
The fourth proportional to 672,086.92, 927,472.74 and 385,652.08 is: 532,195.73
Step by Step Solution
- Step 1: Write the proportion equation
672,086.92 : 927,472.74 = 385,652.08 : x - Step 2: Convert to fraction form
672,086.92/927,472.74 = 385,652.08/x - Step 3: Cross multiply
672,086.92x = 927,472.74 × 385,652.08 - Step 4: Simplify right side
672,086.92x = 357,681,791,324.30 - Step 5: Solve for x
x = 357,681,791,324.30/672,086.92 - Step 6: Final answer
x = 532,195.73
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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.