Home / 674,930.21-1,012,892.72-319,942.85

Finding the Fourth Proportional to 674,930.21, 1,012,892.72 and 319,942.85

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Solution

The fourth proportional to 674,930.21, 1,012,892.72 and 319,942.85 is: 480,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,930.21 : 1,012,892.72 = 319,942.85 : x
  2. Step 2: Convert to fraction form
    674,930.21/1,012,892.72 = 319,942.85/x
  3. Step 3: Cross multiply
    674,930.21x = 1,012,892.72 × 319,942.85
  4. Step 4: Simplify right side
    674,930.21x = 324,067,776,916.87
  5. Step 5: Solve for x
    x = 324,067,776,916.87/674,930.21
  6. Step 6: Final answer
    x = 480,150.06

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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.