Finding the Fourth Proportional to 548,432.06, 756,848.49 and 387,570.92
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Solution
The fourth proportional to 548,432.06, 756,848.49 and 387,570.92 is: 534,856.52
Step by Step Solution
- Step 1: Write the proportion equation
548,432.06 : 756,848.49 = 387,570.92 : x - Step 2: Convert to fraction form
548,432.06/756,848.49 = 387,570.92/x - Step 3: Cross multiply
548,432.06x = 756,848.49 × 387,570.92 - Step 4: Simplify right side
548,432.06x = 293,332,465,569.91 - Step 5: Solve for x
x = 293,332,465,569.91/548,432.06 - Step 6: Final answer
x = 534,856.52
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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.