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Finding the Fourth Proportional to 417,864.80, 626,797.20 and 102,324.80

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Solution

The fourth proportional to 417,864.80, 626,797.20 and 102,324.80 is: 153,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,864.80 : 626,797.20 = 102,324.80 : x
  2. Step 2: Convert to fraction form
    417,864.80/626,797.20 = 102,324.80/x
  3. Step 3: Cross multiply
    417,864.80x = 626,797.20 × 102,324.80
  4. Step 4: Simplify right side
    417,864.80x = 64,136,898,130.56
  5. Step 5: Solve for x
    x = 64,136,898,130.56/417,864.80
  6. Step 6: Final answer
    x = 153,487.20

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