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Finding the Fourth Proportional to 500,799.52, 691,169.52 and 285,891.04

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Solution

The fourth proportional to 500,799.52, 691,169.52 and 285,891.04 is: 394,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,799.52 : 691,169.52 = 285,891.04 : x
  2. Step 2: Convert to fraction form
    500,799.52/691,169.52 = 285,891.04/x
  3. Step 3: Cross multiply
    500,799.52x = 691,169.52 × 285,891.04
  4. Step 4: Simplify right side
    500,799.52x = 197,599,172,889.10
  5. Step 5: Solve for x
    x = 197,599,172,889.10/500,799.52
  6. Step 6: Final answer
    x = 394,567.42

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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.