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Finding the Fourth Proportional to 553,861.89, 764,511.09 and 336,080.43

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Solution

The fourth proportional to 553,861.89, 764,511.09 and 336,080.43 is: 463,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,861.89 : 764,511.09 = 336,080.43 : x
  2. Step 2: Convert to fraction form
    553,861.89/764,511.09 = 336,080.43/x
  3. Step 3: Cross multiply
    553,861.89x = 764,511.09 × 336,080.43
  4. Step 4: Simplify right side
    553,861.89x = 256,937,215,866.97
  5. Step 5: Solve for x
    x = 256,937,215,866.97/553,861.89
  6. Step 6: Final answer
    x = 463,901.24

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