Home / 747,458.85-1,031,517.27-425,160.66

Finding the Fourth Proportional to 747,458.85, 1,031,517.27 and 425,160.66

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Solution

The fourth proportional to 747,458.85, 1,031,517.27 and 425,160.66 is: 586,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,458.85 : 1,031,517.27 = 425,160.66 : x
  2. Step 2: Convert to fraction form
    747,458.85/1,031,517.27 = 425,160.66/x
  3. Step 3: Cross multiply
    747,458.85x = 1,031,517.27 × 425,160.66
  4. Step 4: Simplify right side
    747,458.85x = 438,560,563,314.60
  5. Step 5: Solve for x
    x = 438,560,563,314.60/747,458.85
  6. Step 6: Final answer
    x = 586,735.39

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Double scale
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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.