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Finding the Fourth Proportional to 453,446.40, 680,825.70 and 341,909.40

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Solution

The fourth proportional to 453,446.40, 680,825.70 and 341,909.40 is: 513,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,446.40 : 680,825.70 = 341,909.40 : x
  2. Step 2: Convert to fraction form
    453,446.40/680,825.70 = 341,909.40/x
  3. Step 3: Cross multiply
    453,446.40x = 680,825.70 × 341,909.40
  4. Step 4: Simplify right side
    453,446.40x = 232,780,706,591.58
  5. Step 5: Solve for x
    x = 232,780,706,591.58/453,446.40
  6. Step 6: Final answer
    x = 513,358.82

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