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Finding the Fourth Proportional to 461,713.20, 692,569.80 and 408,836.40

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Solution

The fourth proportional to 461,713.20, 692,569.80 and 408,836.40 is: 613,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,713.20 : 692,569.80 = 408,836.40 : x
  2. Step 2: Convert to fraction form
    461,713.20/692,569.80 = 408,836.40/x
  3. Step 3: Cross multiply
    461,713.20x = 692,569.80 × 408,836.40
  4. Step 4: Simplify right side
    461,713.20x = 283,147,743,780.72
  5. Step 5: Solve for x
    x = 283,147,743,780.72/461,713.20
  6. Step 6: Final answer
    x = 613,254.60

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