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Finding the Fourth Proportional to 960,656.28, 1,441,013.58 and 329,561

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Solution

The fourth proportional to 960,656.28, 1,441,013.58 and 329,561 is: 494,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,656.28 : 1,441,013.58 = 329,561 : x
  2. Step 2: Convert to fraction form
    960,656.28/1,441,013.58 = 329,561/x
  3. Step 3: Cross multiply
    960,656.28x = 1,441,013.58 × 329,561
  4. Step 4: Simplify right side
    960,656.28x = 474,901,876,438.38
  5. Step 5: Solve for x
    x = 474,901,876,438.38/960,656.28
  6. Step 6: Final answer
    x = 494,351.50

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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.