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Finding the Fourth Proportional to 658,774.92, 987,920.34 and 226,369.76

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Solution

The fourth proportional to 658,774.92, 987,920.34 and 226,369.76 is: 339,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,774.92 : 987,920.34 = 226,369.76 : x
  2. Step 2: Convert to fraction form
    658,774.92/987,920.34 = 226,369.76/x
  3. Step 3: Cross multiply
    658,774.92x = 987,920.34 × 226,369.76
  4. Step 4: Simplify right side
    658,774.92x = 223,635,290,264.92
  5. Step 5: Solve for x
    x = 223,635,290,264.92/658,774.92
  6. Step 6: Final answer
    x = 339,471.47

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1.5x scale

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.