Home / 676,803.60-1,015,205.40-227,593.80

Finding the Fourth Proportional to 676,803.60, 1,015,205.40 and 227,593.80

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Solution

The fourth proportional to 676,803.60, 1,015,205.40 and 227,593.80 is: 341,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,803.60 : 1,015,205.40 = 227,593.80 : x
  2. Step 2: Convert to fraction form
    676,803.60/1,015,205.40 = 227,593.80/x
  3. Step 3: Cross multiply
    676,803.60x = 1,015,205.40 × 227,593.80
  4. Step 4: Simplify right side
    676,803.60x = 231,054,454,766.52
  5. Step 5: Solve for x
    x = 231,054,454,766.52/676,803.60
  6. Step 6: Final answer
    x = 341,390.70

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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.