Home / 587,723.85-811,002.24-329,611.28

Finding the Fourth Proportional to 587,723.85, 811,002.24 and 329,611.28

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Solution

The fourth proportional to 587,723.85, 811,002.24 and 329,611.28 is: 454,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,723.85 : 811,002.24 = 329,611.28 : x
  2. Step 2: Convert to fraction form
    587,723.85/811,002.24 = 329,611.28/x
  3. Step 3: Cross multiply
    587,723.85x = 811,002.24 × 329,611.28
  4. Step 4: Simplify right side
    587,723.85x = 267,315,482,354.26
  5. Step 5: Solve for x
    x = 267,315,482,354.26/587,723.85
  6. Step 6: Final answer
    x = 454,831.78

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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.