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Finding the Fourth Proportional to 442,982.80, 664,474.20 and 303,014.80

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Solution

The fourth proportional to 442,982.80, 664,474.20 and 303,014.80 is: 454,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,982.80 : 664,474.20 = 303,014.80 : x
  2. Step 2: Convert to fraction form
    442,982.80/664,474.20 = 303,014.80/x
  3. Step 3: Cross multiply
    442,982.80x = 664,474.20 × 303,014.80
  4. Step 4: Simplify right side
    442,982.80x = 201,345,516,818.16
  5. Step 5: Solve for x
    x = 201,345,516,818.16/442,982.80
  6. Step 6: Final answer
    x = 454,522.20

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