Home / 667,084.60-1,000,813.97-268,005.61

Finding the Fourth Proportional to 667,084.60, 1,000,813.97 and 268,005.61

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Solution

The fourth proportional to 667,084.60, 1,000,813.97 and 268,005.61 is: 402,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,084.60 : 1,000,813.97 = 268,005.61 : x
  2. Step 2: Convert to fraction form
    667,084.60/1,000,813.97 = 268,005.61/x
  3. Step 3: Cross multiply
    667,084.60x = 1,000,813.97 × 268,005.61
  4. Step 4: Simplify right side
    667,084.60x = 268,223,757,186.34
  5. Step 5: Solve for x
    x = 268,223,757,186.34/667,084.60
  6. Step 6: Final answer
    x = 402,083.57

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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.