Home / 851,906.10-1,277,859.15-252,959.70

Finding the Fourth Proportional to 851,906.10, 1,277,859.15 and 252,959.70

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Solution

The fourth proportional to 851,906.10, 1,277,859.15 and 252,959.70 is: 379,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,906.10 : 1,277,859.15 = 252,959.70 : x
  2. Step 2: Convert to fraction form
    851,906.10/1,277,859.15 = 252,959.70/x
  3. Step 3: Cross multiply
    851,906.10x = 1,277,859.15 × 252,959.70
  4. Step 4: Simplify right side
    851,906.10x = 323,246,867,226.26
  5. Step 5: Solve for x
    x = 323,246,867,226.26/851,906.10
  6. Step 6: Final answer
    x = 379,439.55

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Similar ratio
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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.