Home / 676,811.20-1,015,216.80-227,382.70

Finding the Fourth Proportional to 676,811.20, 1,015,216.80 and 227,382.70

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Solution

The fourth proportional to 676,811.20, 1,015,216.80 and 227,382.70 is: 341,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,811.20 : 1,015,216.80 = 227,382.70 : x
  2. Step 2: Convert to fraction form
    676,811.20/1,015,216.80 = 227,382.70/x
  3. Step 3: Cross multiply
    676,811.20x = 1,015,216.80 × 227,382.70
  4. Step 4: Simplify right side
    676,811.20x = 230,842,737,069.36
  5. Step 5: Solve for x
    x = 230,842,737,069.36/676,811.20
  6. Step 6: Final answer
    x = 341,074.05

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Similar ratio
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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.