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Finding the Fourth Proportional to 453,992.40, 680,988.60 and 121,568.40

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Solution

The fourth proportional to 453,992.40, 680,988.60 and 121,568.40 is: 182,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,992.40 : 680,988.60 = 121,568.40 : x
  2. Step 2: Convert to fraction form
    453,992.40/680,988.60 = 121,568.40/x
  3. Step 3: Cross multiply
    453,992.40x = 680,988.60 × 121,568.40
  4. Step 4: Simplify right side
    453,992.40x = 82,786,694,520.24
  5. Step 5: Solve for x
    x = 82,786,694,520.24/453,992.40
  6. Step 6: Final answer
    x = 182,352.60

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