Home / 694,174.38-1,040,998.77-378,459.42

Finding the Fourth Proportional to 694,174.38, 1,040,998.77 and 378,459.42

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Solution

The fourth proportional to 694,174.38, 1,040,998.77 and 378,459.42 is: 567,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,174.38 : 1,040,998.77 = 378,459.42 : x
  2. Step 2: Convert to fraction form
    694,174.38/1,040,998.77 = 378,459.42/x
  3. Step 3: Cross multiply
    694,174.38x = 1,040,998.77 × 378,459.42
  4. Step 4: Simplify right side
    694,174.38x = 393,975,790,714.91
  5. Step 5: Solve for x
    x = 393,975,790,714.91/694,174.38
  6. Step 6: Final answer
    x = 567,545.85

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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.