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Finding the Fourth Proportional to 548,431.84, 821,481.12 and 323,549.92

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Solution

The fourth proportional to 548,431.84, 821,481.12 and 323,549.92 is: 484,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,431.84 : 821,481.12 = 323,549.92 : x
  2. Step 2: Convert to fraction form
    548,431.84/821,481.12 = 323,549.92/x
  3. Step 3: Cross multiply
    548,431.84x = 821,481.12 × 323,549.92
  4. Step 4: Simplify right side
    548,431.84x = 265,790,150,657.51
  5. Step 5: Solve for x
    x = 265,790,150,657.51/548,431.84
  6. Step 6: Final answer
    x = 484,636.62

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