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Finding the Fourth Proportional to 669,060.54, 923,310.36 and 363,139.47

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Solution

The fourth proportional to 669,060.54, 923,310.36 and 363,139.47 is: 501,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,060.54 : 923,310.36 = 363,139.47 : x
  2. Step 2: Convert to fraction form
    669,060.54/923,310.36 = 363,139.47/x
  3. Step 3: Cross multiply
    669,060.54x = 923,310.36 × 363,139.47
  4. Step 4: Simplify right side
    669,060.54x = 335,290,434,775.91
  5. Step 5: Solve for x
    x = 335,290,434,775.91/669,060.54
  6. Step 6: Final answer
    x = 501,136.17

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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.