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Finding the Fourth Proportional to 453,822.40, 680,733.60 and 217,626.40

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Solution

The fourth proportional to 453,822.40, 680,733.60 and 217,626.40 is: 326,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,822.40 : 680,733.60 = 217,626.40 : x
  2. Step 2: Convert to fraction form
    453,822.40/680,733.60 = 217,626.40/x
  3. Step 3: Cross multiply
    453,822.40x = 680,733.60 × 217,626.40
  4. Step 4: Simplify right side
    453,822.40x = 148,145,602,727.04
  5. Step 5: Solve for x
    x = 148,145,602,727.04/453,822.40
  6. Step 6: Final answer
    x = 326,439.60

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