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Finding the Fourth Proportional to 658,007.28, 987,404.58 and 604,469.52

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Solution

The fourth proportional to 658,007.28, 987,404.58 and 604,469.52 is: 907,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,007.28 : 987,404.58 = 604,469.52 : x
  2. Step 2: Convert to fraction form
    658,007.28/987,404.58 = 604,469.52/x
  3. Step 3: Cross multiply
    658,007.28x = 987,404.58 × 604,469.52
  4. Step 4: Simplify right side
    658,007.28x = 596,855,972,518.40
  5. Step 5: Solve for x
    x = 596,855,972,518.40/658,007.28
  6. Step 6: Final answer
    x = 907,065.91

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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.