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Finding the Fourth Proportional to 341,726.40, 512,589.60 and 324,619.20

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Solution

The fourth proportional to 341,726.40, 512,589.60 and 324,619.20 is: 486,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,726.40 : 512,589.60 = 324,619.20 : x
  2. Step 2: Convert to fraction form
    341,726.40/512,589.60 = 324,619.20/x
  3. Step 3: Cross multiply
    341,726.40x = 512,589.60 × 324,619.20
  4. Step 4: Simplify right side
    341,726.40x = 166,396,425,880.32
  5. Step 5: Solve for x
    x = 166,396,425,880.32/341,726.40
  6. Step 6: Final answer
    x = 486,928.80

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