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Finding the Fourth Proportional to 587,371.62, 880,626.48 and 187,782.42

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Solution

The fourth proportional to 587,371.62, 880,626.48 and 187,782.42 is: 281,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,371.62 : 880,626.48 = 187,782.42 : x
  2. Step 2: Convert to fraction form
    587,371.62/880,626.48 = 187,782.42/x
  3. Step 3: Cross multiply
    587,371.62x = 880,626.48 × 187,782.42
  4. Step 4: Simplify right side
    587,371.62x = 165,366,171,530.48
  5. Step 5: Solve for x
    x = 165,366,171,530.48/587,371.62
  6. Step 6: Final answer
    x = 281,535.86

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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.