Home / 726,400.60-1,088,909.70-566,387.80

Finding the Fourth Proportional to 726,400.60, 1,088,909.70 and 566,387.80

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Solution

The fourth proportional to 726,400.60, 1,088,909.70 and 566,387.80 is: 849,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,400.60 : 1,088,909.70 = 566,387.80 : x
  2. Step 2: Convert to fraction form
    726,400.60/1,088,909.70 = 566,387.80/x
  3. Step 3: Cross multiply
    726,400.60x = 1,088,909.70 × 566,387.80
  4. Step 4: Simplify right side
    726,400.60x = 616,745,169,381.66
  5. Step 5: Solve for x
    x = 616,745,169,381.66/726,400.60
  6. Step 6: Final answer
    x = 849,042.76

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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.