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Finding the Fourth Proportional to 477,002.72, 658,304.15 and 324,379.49

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Solution

The fourth proportional to 477,002.72, 658,304.15 and 324,379.49 is: 447,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,002.72 : 658,304.15 = 324,379.49 : x
  2. Step 2: Convert to fraction form
    477,002.72/658,304.15 = 324,379.49/x
  3. Step 3: Cross multiply
    477,002.72x = 658,304.15 × 324,379.49
  4. Step 4: Simplify right side
    477,002.72x = 213,540,359,528.47
  5. Step 5: Solve for x
    x = 213,540,359,528.47/477,002.72
  6. Step 6: Final answer
    x = 447,671.15

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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.