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Finding the Fourth Proportional to 473,380.80, 710,589.60 and 263,428.80

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Solution

The fourth proportional to 473,380.80, 710,589.60 and 263,428.80 is: 395,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,380.80 : 710,589.60 = 263,428.80 : x
  2. Step 2: Convert to fraction form
    473,380.80/710,589.60 = 263,428.80/x
  3. Step 3: Cross multiply
    473,380.80x = 710,589.60 × 263,428.80
  4. Step 4: Simplify right side
    473,380.80x = 187,189,765,620.48
  5. Step 5: Solve for x
    x = 187,189,765,620.48/473,380.80
  6. Step 6: Final answer
    x = 395,431.68

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