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Finding the Fourth Proportional to 447,396.92, 617,418.03 and 253,817.60

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Solution

The fourth proportional to 447,396.92, 617,418.03 and 253,817.60 is: 350,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,396.92 : 617,418.03 = 253,817.60 : x
  2. Step 2: Convert to fraction form
    447,396.92/617,418.03 = 253,817.60/x
  3. Step 3: Cross multiply
    447,396.92x = 617,418.03 × 253,817.60
  4. Step 4: Simplify right side
    447,396.92x = 156,711,562,571.33
  5. Step 5: Solve for x
    x = 156,711,562,571.33/447,396.92
  6. Step 6: Final answer
    x = 350,274.12

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