Home / 454,489.74-627,250.80-263,511.18

Finding the Fourth Proportional to 454,489.74, 627,250.80 and 263,511.18

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Solution

The fourth proportional to 454,489.74, 627,250.80 and 263,511.18 is: 363,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,489.74 : 627,250.80 = 263,511.18 : x
  2. Step 2: Convert to fraction form
    454,489.74/627,250.80 = 263,511.18/x
  3. Step 3: Cross multiply
    454,489.74x = 627,250.80 × 263,511.18
  4. Step 4: Simplify right side
    454,489.74x = 165,287,598,463.94
  5. Step 5: Solve for x
    x = 165,287,598,463.94/454,489.74
  6. Step 6: Final answer
    x = 363,677.29

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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.