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Finding the Fourth Proportional to 587,088.61, 880,743.66 and 187,622.13

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Solution

The fourth proportional to 587,088.61, 880,743.66 and 187,622.13 is: 281,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,088.61 : 880,743.66 = 187,622.13 : x
  2. Step 2: Convert to fraction form
    587,088.61/880,743.66 = 187,622.13/x
  3. Step 3: Cross multiply
    587,088.61x = 880,743.66 × 187,622.13
  4. Step 4: Simplify right side
    587,088.61x = 165,247,001,473.20
  5. Step 5: Solve for x
    x = 165,247,001,473.20/587,088.61
  6. Step 6: Final answer
    x = 281,468.59

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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.