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Finding the Fourth Proportional to 750,404.28, 1,035,352.62 and 482,287.80

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Solution

The fourth proportional to 750,404.28, 1,035,352.62 and 482,287.80 is: 665,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,404.28 : 1,035,352.62 = 482,287.80 : x
  2. Step 2: Convert to fraction form
    750,404.28/1,035,352.62 = 482,287.80/x
  3. Step 3: Cross multiply
    750,404.28x = 1,035,352.62 × 482,287.80
  4. Step 4: Simplify right side
    750,404.28x = 499,337,937,324.04
  5. Step 5: Solve for x
    x = 499,337,937,324.04/750,404.28
  6. Step 6: Final answer
    x = 665,425.23

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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.