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Finding the Fourth Proportional to 449,517.52, 619,911.48 and 335,049.94

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Solution

The fourth proportional to 449,517.52, 619,911.48 and 335,049.94 is: 462,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,517.52 : 619,911.48 = 335,049.94 : x
  2. Step 2: Convert to fraction form
    449,517.52/619,911.48 = 335,049.94/x
  3. Step 3: Cross multiply
    449,517.52x = 619,911.48 × 335,049.94
  4. Step 4: Simplify right side
    449,517.52x = 207,701,304,179.31
  5. Step 5: Solve for x
    x = 207,701,304,179.31/449,517.52
  6. Step 6: Final answer
    x = 462,053.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.