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Finding the Fourth Proportional to 734,672.40, 1,100,842.20 and 485,062.80

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Solution

The fourth proportional to 734,672.40, 1,100,842.20 and 485,062.80 is: 726,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,672.40 : 1,100,842.20 = 485,062.80 : x
  2. Step 2: Convert to fraction form
    734,672.40/1,100,842.20 = 485,062.80/x
  3. Step 3: Cross multiply
    734,672.40x = 1,100,842.20 × 485,062.80
  4. Step 4: Simplify right side
    734,672.40x = 533,977,599,890.16
  5. Step 5: Solve for x
    x = 533,977,599,890.16/734,672.40
  6. Step 6: Final answer
    x = 726,824.09

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