Home / 676,954.92-1,015,432.38-344,764.20

Finding the Fourth Proportional to 676,954.92, 1,015,432.38 and 344,764.20

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Solution

The fourth proportional to 676,954.92, 1,015,432.38 and 344,764.20 is: 517,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,954.92 : 1,015,432.38 = 344,764.20 : x
  2. Step 2: Convert to fraction form
    676,954.92/1,015,432.38 = 344,764.20/x
  3. Step 3: Cross multiply
    676,954.92x = 1,015,432.38 × 344,764.20
  4. Step 4: Simplify right side
    676,954.92x = 350,084,732,144.80
  5. Step 5: Solve for x
    x = 350,084,732,144.80/676,954.92
  6. Step 6: Final answer
    x = 517,146.30

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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.