Home / 676,572.31-1,015,012.23-227,258.70

Finding the Fourth Proportional to 676,572.31, 1,015,012.23 and 227,258.70

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Solution

The fourth proportional to 676,572.31, 1,015,012.23 and 227,258.70 is: 340,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,572.31 : 1,015,012.23 = 227,258.70 : x
  2. Step 2: Convert to fraction form
    676,572.31/1,015,012.23 = 227,258.70/x
  3. Step 3: Cross multiply
    676,572.31x = 1,015,012.23 × 227,258.70
  4. Step 4: Simplify right side
    676,572.31x = 230,670,359,873.90
  5. Step 5: Solve for x
    x = 230,670,359,873.90/676,572.31
  6. Step 6: Final answer
    x = 340,939.70

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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.