Home / 676,810.20-1,015,215.30-227,381.70

Finding the Fourth Proportional to 676,810.20, 1,015,215.30 and 227,381.70

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Solution

The fourth proportional to 676,810.20, 1,015,215.30 and 227,381.70 is: 341,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,810.20 : 1,015,215.30 = 227,381.70 : x
  2. Step 2: Convert to fraction form
    676,810.20/1,015,215.30 = 227,381.70/x
  3. Step 3: Cross multiply
    676,810.20x = 1,015,215.30 × 227,381.70
  4. Step 4: Simplify right side
    676,810.20x = 230,841,380,780.01
  5. Step 5: Solve for x
    x = 230,841,380,780.01/676,810.20
  6. Step 6: Final answer
    x = 341,072.55

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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.