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Finding the Fourth Proportional to 662,054.52, 991,828.34 and 391,372.26

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Solution

The fourth proportional to 662,054.52, 991,828.34 and 391,372.26 is: 586,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,054.52 : 991,828.34 = 391,372.26 : x
  2. Step 2: Convert to fraction form
    662,054.52/991,828.34 = 391,372.26/x
  3. Step 3: Cross multiply
    662,054.52x = 991,828.34 × 391,372.26
  4. Step 4: Simplify right side
    662,054.52x = 388,174,098,957.85
  5. Step 5: Solve for x
    x = 388,174,098,957.85/662,054.52
  6. Step 6: Final answer
    x = 586,317.43

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