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Finding the Fourth Proportional to 661,184.73, 991,698.26 and 391,474.17

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Solution

The fourth proportional to 661,184.73, 991,698.26 and 391,474.17 is: 587,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,184.73 : 991,698.26 = 391,474.17 : x
  2. Step 2: Convert to fraction form
    661,184.73/991,698.26 = 391,474.17/x
  3. Step 3: Cross multiply
    661,184.73x = 991,698.26 × 391,474.17
  4. Step 4: Simplify right side
    661,184.73x = 388,224,251,266.57
  5. Step 5: Solve for x
    x = 388,224,251,266.57/661,184.73
  6. Step 6: Final answer
    x = 587,164.58

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