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Finding the Fourth Proportional to 802,522.60, 1,204,177.92 and 322,731

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Solution

The fourth proportional to 802,522.60, 1,204,177.92 and 322,731 is: 484,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,522.60 : 1,204,177.92 = 322,731 : x
  2. Step 2: Convert to fraction form
    802,522.60/1,204,177.92 = 322,731/x
  3. Step 3: Cross multiply
    802,522.60x = 1,204,177.92 × 322,731
  4. Step 4: Simplify right side
    802,522.60x = 388,625,543,089.28
  5. Step 5: Solve for x
    x = 388,625,543,089.28/802,522.60
  6. Step 6: Final answer
    x = 484,254.95

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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.