Home / 587,788.76-811,157.38-329,722.92

Finding the Fourth Proportional to 587,788.76, 811,157.38 and 329,722.92

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Solution

The fourth proportional to 587,788.76, 811,157.38 and 329,722.92 is: 455,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,788.76 : 811,157.38 = 329,722.92 : x
  2. Step 2: Convert to fraction form
    587,788.76/811,157.38 = 329,722.92/x
  3. Step 3: Cross multiply
    587,788.76x = 811,157.38 × 329,722.92
  4. Step 4: Simplify right side
    587,788.76x = 267,457,179,913.15
  5. Step 5: Solve for x
    x = 267,457,179,913.15/587,788.76
  6. Step 6: Final answer
    x = 455,022.62

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Double scale
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1.5x scale

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.