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Finding the Fourth Proportional to 668,961.92, 923,174.22 and 363,040.95

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Solution

The fourth proportional to 668,961.92, 923,174.22 and 363,040.95 is: 501,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,961.92 : 923,174.22 = 363,040.95 : x
  2. Step 2: Convert to fraction form
    668,961.92/923,174.22 = 363,040.95/x
  3. Step 3: Cross multiply
    668,961.92x = 923,174.22 × 363,040.95
  4. Step 4: Simplify right side
    668,961.92x = 335,150,050,667.62
  5. Step 5: Solve for x
    x = 335,150,050,667.62/668,961.92
  6. Step 6: Final answer
    x = 501,000.19

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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.