Home / 454,789.89-627,856.11-273,542.28

Finding the Fourth Proportional to 454,789.89, 627,856.11 and 273,542.28

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Solution

The fourth proportional to 454,789.89, 627,856.11 and 273,542.28 is: 377,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,789.89 : 627,856.11 = 273,542.28 : x
  2. Step 2: Convert to fraction form
    454,789.89/627,856.11 = 273,542.28/x
  3. Step 3: Cross multiply
    454,789.89x = 627,856.11 × 273,542.28
  4. Step 4: Simplify right side
    454,789.89x = 171,745,191,841.33
  5. Step 5: Solve for x
    x = 171,745,191,841.33/454,789.89
  6. Step 6: Final answer
    x = 377,636.35

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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.