Home / 694,169.13-1,040,990.90-378,454.17

Finding the Fourth Proportional to 694,169.13, 1,040,990.90 and 378,454.17

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Solution

The fourth proportional to 694,169.13, 1,040,990.90 and 378,454.17 is: 567,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,169.13 : 1,040,990.90 = 378,454.17 : x
  2. Step 2: Convert to fraction form
    694,169.13/1,040,990.90 = 378,454.17/x
  3. Step 3: Cross multiply
    694,169.13x = 1,040,990.90 × 378,454.17
  4. Step 4: Simplify right side
    694,169.13x = 393,967,345,144.78
  5. Step 5: Solve for x
    x = 393,967,345,144.78/694,169.13
  6. Step 6: Final answer
    x = 567,537.98

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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.