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Finding the Fourth Proportional to 658,478.28, 988,002.06 and 232,318.26

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Solution

The fourth proportional to 658,478.28, 988,002.06 and 232,318.26 is: 348,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,478.28 : 988,002.06 = 232,318.26 : x
  2. Step 2: Convert to fraction form
    658,478.28/988,002.06 = 232,318.26/x
  3. Step 3: Cross multiply
    658,478.28x = 988,002.06 × 232,318.26
  4. Step 4: Simplify right side
    658,478.28x = 229,530,919,455.62
  5. Step 5: Solve for x
    x = 229,530,919,455.62/658,478.28
  6. Step 6: Final answer
    x = 348,577.81

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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.