Home / 747,683.60-1,031,665.26-425,374.88

Finding the Fourth Proportional to 747,683.60, 1,031,665.26 and 425,374.88

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Solution

The fourth proportional to 747,683.60, 1,031,665.26 and 425,374.88 is: 586,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,683.60 : 1,031,665.26 = 425,374.88 : x
  2. Step 2: Convert to fraction form
    747,683.60/1,031,665.26 = 425,374.88/x
  3. Step 3: Cross multiply
    747,683.60x = 1,031,665.26 × 425,374.88
  4. Step 4: Simplify right side
    747,683.60x = 438,844,486,172.67
  5. Step 5: Solve for x
    x = 438,844,486,172.67/747,683.60
  6. Step 6: Final answer
    x = 586,938.76

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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.