Home / 667,084.10-1,000,813.22-268,005.11

Finding the Fourth Proportional to 667,084.10, 1,000,813.22 and 268,005.11

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Solution

The fourth proportional to 667,084.10, 1,000,813.22 and 268,005.11 is: 402,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,084.10 : 1,000,813.22 = 268,005.11 : x
  2. Step 2: Convert to fraction form
    667,084.10/1,000,813.22 = 268,005.11/x
  3. Step 3: Cross multiply
    667,084.10x = 1,000,813.22 × 268,005.11
  4. Step 4: Simplify right side
    667,084.10x = 268,223,055,775.53
  5. Step 5: Solve for x
    x = 268,223,055,775.53/667,084.10
  6. Step 6: Final answer
    x = 402,082.82

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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.