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Finding the Fourth Proportional to 320,674.40, 481,011.60 and 268,575.20

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Solution

The fourth proportional to 320,674.40, 481,011.60 and 268,575.20 is: 402,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,674.40 : 481,011.60 = 268,575.20 : x
  2. Step 2: Convert to fraction form
    320,674.40/481,011.60 = 268,575.20/x
  3. Step 3: Cross multiply
    320,674.40x = 481,011.60 × 268,575.20
  4. Step 4: Simplify right side
    320,674.40x = 129,187,786,672.32
  5. Step 5: Solve for x
    x = 129,187,786,672.32/320,674.40
  6. Step 6: Final answer
    x = 402,862.80

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