Home / 925,769.91-1,387,296.28-521,748.66

Finding the Fourth Proportional to 925,769.91, 1,387,296.28 and 521,748.66

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Solution

The fourth proportional to 925,769.91, 1,387,296.28 and 521,748.66 is: 781,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,769.91 : 1,387,296.28 = 521,748.66 : x
  2. Step 2: Convert to fraction form
    925,769.91/1,387,296.28 = 521,748.66/x
  3. Step 3: Cross multiply
    925,769.91x = 1,387,296.28 × 521,748.66
  4. Step 4: Simplify right side
    925,769.91x = 723,819,977,190.90
  5. Step 5: Solve for x
    x = 723,819,977,190.90/925,769.91
  6. Step 6: Final answer
    x = 781,857.31

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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.