Home / 676,786.39-1,015,142.22-227,460.86

Finding the Fourth Proportional to 676,786.39, 1,015,142.22 and 227,460.86

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Solution

The fourth proportional to 676,786.39, 1,015,142.22 and 227,460.86 is: 341,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,786.39 : 1,015,142.22 = 227,460.86 : x
  2. Step 2: Convert to fraction form
    676,786.39/1,015,142.22 = 227,460.86/x
  3. Step 3: Cross multiply
    676,786.39x = 1,015,142.22 × 227,460.86
  4. Step 4: Simplify right side
    676,786.39x = 230,905,121,114.58
  5. Step 5: Solve for x
    x = 230,905,121,114.58/676,786.39
  6. Step 6: Final answer
    x = 341,178.73

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Double scale
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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.