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Finding the Fourth Proportional to 603,302.92, 832,564.78 and 331,377.10

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Solution

The fourth proportional to 603,302.92, 832,564.78 and 331,377.10 is: 457,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,302.92 : 832,564.78 = 331,377.10 : x
  2. Step 2: Convert to fraction form
    603,302.92/832,564.78 = 331,377.10/x
  3. Step 3: Cross multiply
    603,302.92x = 832,564.78 × 331,377.10
  4. Step 4: Simplify right side
    603,302.92x = 275,892,902,358.54
  5. Step 5: Solve for x
    x = 275,892,902,358.54/603,302.92
  6. Step 6: Final answer
    x = 457,304.11

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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.