Home / 766,294.91-1,057,519.79-426,763.16

Finding the Fourth Proportional to 766,294.91, 1,057,519.79 and 426,763.16

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Solution

The fourth proportional to 766,294.91, 1,057,519.79 and 426,763.16 is: 588,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,294.91 : 1,057,519.79 = 426,763.16 : x
  2. Step 2: Convert to fraction form
    766,294.91/1,057,519.79 = 426,763.16/x
  3. Step 3: Cross multiply
    766,294.91x = 1,057,519.79 × 426,763.16
  4. Step 4: Simplify right side
    766,294.91x = 451,310,487,342.94
  5. Step 5: Solve for x
    x = 451,310,487,342.94/766,294.91
  6. Step 6: Final answer
    x = 588,951.44

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Double scale
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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.