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Finding the Fourth Proportional to 519,743.50, 717,246.03 and 281,279.50

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Solution

The fourth proportional to 519,743.50, 717,246.03 and 281,279.50 is: 388,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,743.50 : 717,246.03 = 281,279.50 : x
  2. Step 2: Convert to fraction form
    519,743.50/717,246.03 = 281,279.50/x
  3. Step 3: Cross multiply
    519,743.50x = 717,246.03 × 281,279.50
  4. Step 4: Simplify right side
    519,743.50x = 201,746,604,695.39
  5. Step 5: Solve for x
    x = 201,746,604,695.39/519,743.50
  6. Step 6: Final answer
    x = 388,165.71

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