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Finding the Fourth Proportional to 414,466.80, 621,700.20 and 324,265.20

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Solution

The fourth proportional to 414,466.80, 621,700.20 and 324,265.20 is: 486,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,466.80 : 621,700.20 = 324,265.20 : x
  2. Step 2: Convert to fraction form
    414,466.80/621,700.20 = 324,265.20/x
  3. Step 3: Cross multiply
    414,466.80x = 621,700.20 × 324,265.20
  4. Step 4: Simplify right side
    414,466.80x = 201,595,739,693.04
  5. Step 5: Solve for x
    x = 201,595,739,693.04/414,466.80
  6. Step 6: Final answer
    x = 486,397.80

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