Home / 707,961.72-1,061,366.11-329,121.38

Finding the Fourth Proportional to 707,961.72, 1,061,366.11 and 329,121.38

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Solution

The fourth proportional to 707,961.72, 1,061,366.11 and 329,121.38 is: 493,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,961.72 : 1,061,366.11 = 329,121.38 : x
  2. Step 2: Convert to fraction form
    707,961.72/1,061,366.11 = 329,121.38/x
  3. Step 3: Cross multiply
    707,961.72x = 1,061,366.11 × 329,121.38
  4. Step 4: Simplify right side
    707,961.72x = 349,318,279,370.17
  5. Step 5: Solve for x
    x = 349,318,279,370.17/707,961.72
  6. Step 6: Final answer
    x = 493,414.08

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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.