Home / 747,924.33-1,120,098.42-431,421.69

Finding the Fourth Proportional to 747,924.33, 1,120,098.42 and 431,421.69

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Solution

The fourth proportional to 747,924.33, 1,120,098.42 and 431,421.69 is: 646,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,924.33 : 1,120,098.42 = 431,421.69 : x
  2. Step 2: Convert to fraction form
    747,924.33/1,120,098.42 = 431,421.69/x
  3. Step 3: Cross multiply
    747,924.33x = 1,120,098.42 × 431,421.69
  4. Step 4: Simplify right side
    747,924.33x = 483,234,753,322.73
  5. Step 5: Solve for x
    x = 483,234,753,322.73/747,924.33
  6. Step 6: Final answer
    x = 646,101.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.