Home / 658,132.52-987,073.88-320,833.94

Finding the Fourth Proportional to 658,132.52, 987,073.88 and 320,833.94

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Solution

The fourth proportional to 658,132.52, 987,073.88 and 320,833.94 is: 481,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,132.52 : 987,073.88 = 320,833.94 : x
  2. Step 2: Convert to fraction form
    658,132.52/987,073.88 = 320,833.94/x
  3. Step 3: Cross multiply
    658,132.52x = 987,073.88 × 320,833.94
  4. Step 4: Simplify right side
    658,132.52x = 316,686,801,991.49
  5. Step 5: Solve for x
    x = 316,686,801,991.49/658,132.52
  6. Step 6: Final answer
    x = 481,190.02

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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.