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Finding the Fourth Proportional to 800,872.90, 1,201,061.80 and 232,295.88

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Solution

The fourth proportional to 800,872.90, 1,201,061.80 and 232,295.88 is: 348,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,872.90 : 1,201,061.80 = 232,295.88 : x
  2. Step 2: Convert to fraction form
    800,872.90/1,201,061.80 = 232,295.88/x
  3. Step 3: Cross multiply
    800,872.90x = 1,201,061.80 × 232,295.88
  4. Step 4: Simplify right side
    800,872.90x = 279,001,707,765.38
  5. Step 5: Solve for x
    x = 279,001,707,765.38/800,872.90
  6. Step 6: Final answer
    x = 348,372.02

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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.