Home / 694,168.38-1,040,989.77-378,453.42

Finding the Fourth Proportional to 694,168.38, 1,040,989.77 and 378,453.42

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Solution

The fourth proportional to 694,168.38, 1,040,989.77 and 378,453.42 is: 567,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,168.38 : 1,040,989.77 = 378,453.42 : x
  2. Step 2: Convert to fraction form
    694,168.38/1,040,989.77 = 378,453.42/x
  3. Step 3: Cross multiply
    694,168.38x = 1,040,989.77 × 378,453.42
  4. Step 4: Simplify right side
    694,168.38x = 393,966,138,641.51
  5. Step 5: Solve for x
    x = 393,966,138,641.51/694,168.38
  6. Step 6: Final answer
    x = 567,536.85

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