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Finding the Fourth Proportional to 492,080.90, 738,121.35 and 448,535.30

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Solution

The fourth proportional to 492,080.90, 738,121.35 and 448,535.30 is: 672,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,080.90 : 738,121.35 = 448,535.30 : x
  2. Step 2: Convert to fraction form
    492,080.90/738,121.35 = 448,535.30/x
  3. Step 3: Cross multiply
    492,080.90x = 738,121.35 × 448,535.30
  4. Step 4: Simplify right side
    492,080.90x = 331,073,481,158.66
  5. Step 5: Solve for x
    x = 331,073,481,158.66/492,080.90
  6. Step 6: Final answer
    x = 672,802.95

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