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Finding the Fourth Proportional to 453,399.20, 680,098.80 and 404,410.40

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Solution

The fourth proportional to 453,399.20, 680,098.80 and 404,410.40 is: 606,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,399.20 : 680,098.80 = 404,410.40 : x
  2. Step 2: Convert to fraction form
    453,399.20/680,098.80 = 404,410.40/x
  3. Step 3: Cross multiply
    453,399.20x = 680,098.80 × 404,410.40
  4. Step 4: Simplify right side
    453,399.20x = 275,039,027,747.52
  5. Step 5: Solve for x
    x = 275,039,027,747.52/453,399.20
  6. Step 6: Final answer
    x = 606,615.60

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