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Finding the Fourth Proportional to 587,644.20, 880,445.70 and 271,452.60

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Solution

The fourth proportional to 587,644.20, 880,445.70 and 271,452.60 is: 406,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,644.20 : 880,445.70 = 271,452.60 : x
  2. Step 2: Convert to fraction form
    587,644.20/880,445.70 = 271,452.60/x
  3. Step 3: Cross multiply
    587,644.20x = 880,445.70 × 271,452.60
  4. Step 4: Simplify right side
    587,644.20x = 238,999,274,423.82
  5. Step 5: Solve for x
    x = 238,999,274,423.82/587,644.20
  6. Step 6: Final answer
    x = 406,707.45

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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.