Home / 792,508.25-1,187,711.10-431,753.69

Finding the Fourth Proportional to 792,508.25, 1,187,711.10 and 431,753.69

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Solution

The fourth proportional to 792,508.25, 1,187,711.10 and 431,753.69 is: 647,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,508.25 : 1,187,711.10 = 431,753.69 : x
  2. Step 2: Convert to fraction form
    792,508.25/1,187,711.10 = 431,753.69/x
  3. Step 3: Cross multiply
    792,508.25x = 1,187,711.10 × 431,753.69
  4. Step 4: Simplify right side
    792,508.25x = 512,798,653,048.24
  5. Step 5: Solve for x
    x = 512,798,653,048.24/792,508.25
  6. Step 6: Final answer
    x = 647,057.81

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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.