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Finding the Fourth Proportional to 519,671.25, 717,148.49 and 281,207.25

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Solution

The fourth proportional to 519,671.25, 717,148.49 and 281,207.25 is: 388,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,671.25 : 717,148.49 = 281,207.25 : x
  2. Step 2: Convert to fraction form
    519,671.25/717,148.49 = 281,207.25/x
  3. Step 3: Cross multiply
    519,671.25x = 717,148.49 × 281,207.25
  4. Step 4: Simplify right side
    519,671.25x = 201,667,353,308.52
  5. Step 5: Solve for x
    x = 201,667,353,308.52/519,671.25
  6. Step 6: Final answer
    x = 388,067.17

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