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Finding the Fourth Proportional to 465,825.60, 698,738.40 and 394,966.80

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Solution

The fourth proportional to 465,825.60, 698,738.40 and 394,966.80 is: 592,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,825.60 : 698,738.40 = 394,966.80 : x
  2. Step 2: Convert to fraction form
    465,825.60/698,738.40 = 394,966.80/x
  3. Step 3: Cross multiply
    465,825.60x = 698,738.40 × 394,966.80
  4. Step 4: Simplify right side
    465,825.60x = 275,978,469,885.12
  5. Step 5: Solve for x
    x = 275,978,469,885.12/465,825.60
  6. Step 6: Final answer
    x = 592,450.20

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