Home / 587,787.02-811,154.97-329,721.17

Finding the Fourth Proportional to 587,787.02, 811,154.97 and 329,721.17

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Solution

The fourth proportional to 587,787.02, 811,154.97 and 329,721.17 is: 455,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,787.02 : 811,154.97 = 329,721.17 : x
  2. Step 2: Convert to fraction form
    587,787.02/811,154.97 = 329,721.17/x
  3. Step 3: Cross multiply
    587,787.02x = 811,154.97 × 329,721.17
  4. Step 4: Simplify right side
    587,787.02x = 267,454,965,759.72
  5. Step 5: Solve for x
    x = 267,454,965,759.72/587,787.02
  6. Step 6: Final answer
    x = 455,020.20

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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.