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Finding the Fourth Proportional to 476,724.49, 657,884.43 and 261,864.56

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Solution

The fourth proportional to 476,724.49, 657,884.43 and 261,864.56 is: 361,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,724.49 : 657,884.43 = 261,864.56 : x
  2. Step 2: Convert to fraction form
    476,724.49/657,884.43 = 261,864.56/x
  3. Step 3: Cross multiply
    476,724.49x = 657,884.43 × 261,864.56
  4. Step 4: Simplify right side
    476,724.49x = 172,276,618,437.51
  5. Step 5: Solve for x
    x = 172,276,618,437.51/476,724.49
  6. Step 6: Final answer
    x = 361,375.64

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