Home / 627,874.12-942,229.95-228,514.78

Finding the Fourth Proportional to 627,874.12, 942,229.95 and 228,514.78

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Solution

The fourth proportional to 627,874.12, 942,229.95 and 228,514.78 is: 342,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,874.12 : 942,229.95 = 228,514.78 : x
  2. Step 2: Convert to fraction form
    627,874.12/942,229.95 = 228,514.78/x
  3. Step 3: Cross multiply
    627,874.12x = 942,229.95 × 228,514.78
  4. Step 4: Simplify right side
    627,874.12x = 215,313,469,733.66
  5. Step 5: Solve for x
    x = 215,313,469,733.66/627,874.12
  6. Step 6: Final answer
    x = 342,924.58

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1.5x scale

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.