Home / 747,711.05-1,031,845.46-425,421.15

Finding the Fourth Proportional to 747,711.05, 1,031,845.46 and 425,421.15

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Solution

The fourth proportional to 747,711.05, 1,031,845.46 and 425,421.15 is: 587,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,711.05 : 1,031,845.46 = 425,421.15 : x
  2. Step 2: Convert to fraction form
    747,711.05/1,031,845.46 = 425,421.15/x
  3. Step 3: Cross multiply
    747,711.05x = 1,031,845.46 × 425,421.15
  4. Step 4: Simplify right side
    747,711.05x = 438,968,881,095.54
  5. Step 5: Solve for x
    x = 438,968,881,095.54/747,711.05
  6. Step 6: Final answer
    x = 587,083.58

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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.