Home / 587,789.27-811,158.08-329,723.43

Finding the Fourth Proportional to 587,789.27, 811,158.08 and 329,723.43

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Solution

The fourth proportional to 587,789.27, 811,158.08 and 329,723.43 is: 455,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,789.27 : 811,158.08 = 329,723.43 : x
  2. Step 2: Convert to fraction form
    587,789.27/811,158.08 = 329,723.43/x
  3. Step 3: Cross multiply
    587,789.27x = 811,158.08 × 329,723.43
  4. Step 4: Simplify right side
    587,789.27x = 267,457,824,409.81
  5. Step 5: Solve for x
    x = 267,457,824,409.81/587,789.27
  6. Step 6: Final answer
    x = 455,023.32

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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.