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Finding the Fourth Proportional to 695,876.09, 960,293.39 and 405,469.56

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Solution

The fourth proportional to 695,876.09, 960,293.39 and 405,469.56 is: 559,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,876.09 : 960,293.39 = 405,469.56 : x
  2. Step 2: Convert to fraction form
    695,876.09/960,293.39 = 405,469.56/x
  3. Step 3: Cross multiply
    695,876.09x = 960,293.39 × 405,469.56
  4. Step 4: Simplify right side
    695,876.09x = 389,369,738,314.21
  5. Step 5: Solve for x
    x = 389,369,738,314.21/695,876.09
  6. Step 6: Final answer
    x = 559,538.89

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