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Finding the Fourth Proportional to 569,231.30, 853,300.20 and 329,098.70

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Solution

The fourth proportional to 569,231.30, 853,300.20 and 329,098.70 is: 493,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,231.30 : 853,300.20 = 329,098.70 : x
  2. Step 2: Convert to fraction form
    569,231.30/853,300.20 = 329,098.70/x
  3. Step 3: Cross multiply
    569,231.30x = 853,300.20 × 329,098.70
  4. Step 4: Simplify right side
    569,231.30x = 280,819,986,529.74
  5. Step 5: Solve for x
    x = 280,819,986,529.74/569,231.30
  6. Step 6: Final answer
    x = 493,331.95

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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.