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Finding the Fourth Proportional to 591,662.80, 888,077.40 and 292,481.20

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Solution

The fourth proportional to 591,662.80, 888,077.40 and 292,481.20 is: 439,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,662.80 : 888,077.40 = 292,481.20 : x
  2. Step 2: Convert to fraction form
    591,662.80/888,077.40 = 292,481.20/x
  3. Step 3: Cross multiply
    591,662.80x = 888,077.40 × 292,481.20
  4. Step 4: Simplify right side
    591,662.80x = 259,745,943,644.88
  5. Step 5: Solve for x
    x = 259,745,943,644.88/591,662.80
  6. Step 6: Final answer
    x = 439,010.10

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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.