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Finding the Fourth Proportional to 456,480.80, 684,721.20 and 444,816.80

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Solution

The fourth proportional to 456,480.80, 684,721.20 and 444,816.80 is: 667,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,480.80 : 684,721.20 = 444,816.80 : x
  2. Step 2: Convert to fraction form
    456,480.80/684,721.20 = 444,816.80/x
  3. Step 3: Cross multiply
    456,480.80x = 684,721.20 × 444,816.80
  4. Step 4: Simplify right side
    456,480.80x = 304,575,493,076.16
  5. Step 5: Solve for x
    x = 304,575,493,076.16/456,480.80
  6. Step 6: Final answer
    x = 667,225.20

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