Home / 951,278.52-1,311,738.78-722,255.88

Finding the Fourth Proportional to 951,278.52, 1,311,738.78 and 722,255.88

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Solution

The fourth proportional to 951,278.52, 1,311,738.78 and 722,255.88 is: 995,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,278.52 : 1,311,738.78 = 722,255.88 : x
  2. Step 2: Convert to fraction form
    951,278.52/1,311,738.78 = 722,255.88/x
  3. Step 3: Cross multiply
    951,278.52x = 1,311,738.78 × 722,255.88
  4. Step 4: Simplify right side
    951,278.52x = 947,411,046,879.03
  5. Step 5: Solve for x
    x = 947,411,046,879.03/951,278.52
  6. Step 6: Final answer
    x = 995,934.45

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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.