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Finding the Fourth Proportional to 496,717.26, 685,450.78 and 281,844.51

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Solution

The fourth proportional to 496,717.26, 685,450.78 and 281,844.51 is: 388,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,717.26 : 685,450.78 = 281,844.51 : x
  2. Step 2: Convert to fraction form
    496,717.26/685,450.78 = 281,844.51/x
  3. Step 3: Cross multiply
    496,717.26x = 685,450.78 × 281,844.51
  4. Step 4: Simplify right side
    496,717.26x = 193,190,539,218.22
  5. Step 5: Solve for x
    x = 193,190,539,218.22/496,717.26
  6. Step 6: Final answer
    x = 388,934.62

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