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Finding the Fourth Proportional to 341,628.80, 512,443.20 and 322,275.20

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Solution

The fourth proportional to 341,628.80, 512,443.20 and 322,275.20 is: 483,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,628.80 : 512,443.20 = 322,275.20 : x
  2. Step 2: Convert to fraction form
    341,628.80/512,443.20 = 322,275.20/x
  3. Step 3: Cross multiply
    341,628.80x = 512,443.20 × 322,275.20
  4. Step 4: Simplify right side
    341,628.80x = 165,147,734,768.64
  5. Step 5: Solve for x
    x = 165,147,734,768.64/341,628.80
  6. Step 6: Final answer
    x = 483,412.80

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