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Finding the Fourth Proportional to 587,572.20, 881,649.90 and 335,046.60

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Solution

The fourth proportional to 587,572.20, 881,649.90 and 335,046.60 is: 502,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,572.20 : 881,649.90 = 335,046.60 : x
  2. Step 2: Convert to fraction form
    587,572.20/881,649.90 = 335,046.60/x
  3. Step 3: Cross multiply
    587,572.20x = 881,649.90 × 335,046.60
  4. Step 4: Simplify right side
    587,572.20x = 295,393,801,385.34
  5. Step 5: Solve for x
    x = 295,393,801,385.34/587,572.20
  6. Step 6: Final answer
    x = 502,736.18

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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.