Home / 546,727.90-753,814.20-449,592.31

Finding the Fourth Proportional to 546,727.90, 753,814.20 and 449,592.31

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Solution

The fourth proportional to 546,727.90, 753,814.20 and 449,592.31 is: 619,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,727.90 : 753,814.20 = 449,592.31 : x
  2. Step 2: Convert to fraction form
    546,727.90/753,814.20 = 449,592.31/x
  3. Step 3: Cross multiply
    546,727.90x = 753,814.20 × 449,592.31
  4. Step 4: Simplify right side
    546,727.90x = 338,909,067,488.80
  5. Step 5: Solve for x
    x = 338,909,067,488.80/546,727.90
  6. Step 6: Final answer
    x = 619,886.18

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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.