Home / 747,645.17-1,031,773.68-425,401.65

Finding the Fourth Proportional to 747,645.17, 1,031,773.68 and 425,401.65

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Solution

The fourth proportional to 747,645.17, 1,031,773.68 and 425,401.65 is: 587,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,645.17 : 1,031,773.68 = 425,401.65 : x
  2. Step 2: Convert to fraction form
    747,645.17/1,031,773.68 = 425,401.65/x
  3. Step 3: Cross multiply
    747,645.17x = 1,031,773.68 × 425,401.65
  4. Step 4: Simplify right side
    747,645.17x = 438,918,225,898.57
  5. Step 5: Solve for x
    x = 438,918,225,898.57/747,645.17
  6. Step 6: Final answer
    x = 587,067.56

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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.