Home / 747,648.17-1,031,777.82-425,404.65

Finding the Fourth Proportional to 747,648.17, 1,031,777.82 and 425,404.65

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Solution

The fourth proportional to 747,648.17, 1,031,777.82 and 425,404.65 is: 587,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,648.17 : 1,031,777.82 = 425,404.65 : x
  2. Step 2: Convert to fraction form
    747,648.17/1,031,777.82 = 425,404.65/x
  3. Step 3: Cross multiply
    747,648.17x = 1,031,777.82 × 425,404.65
  4. Step 4: Simplify right side
    747,648.17x = 438,923,082,394.86
  5. Step 5: Solve for x
    x = 438,923,082,394.86/747,648.17
  6. Step 6: Final answer
    x = 587,071.70

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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.