Home / 791,217.82-1,187,013.42-258,736.78

Finding the Fourth Proportional to 791,217.82, 1,187,013.42 and 258,736.78

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Solution

The fourth proportional to 791,217.82, 1,187,013.42 and 258,736.78 is: 388,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,217.82 : 1,187,013.42 = 258,736.78 : x
  2. Step 2: Convert to fraction form
    791,217.82/1,187,013.42 = 258,736.78/x
  3. Step 3: Cross multiply
    791,217.82x = 1,187,013.42 × 258,736.78
  4. Step 4: Simplify right side
    791,217.82x = 307,124,030,107.59
  5. Step 5: Solve for x
    x = 307,124,030,107.59/791,217.82
  6. Step 6: Final answer
    x = 388,166.22

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