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Finding the Fourth Proportional to 481,257.40, 721,886.10 and 245,061.40

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Solution

The fourth proportional to 481,257.40, 721,886.10 and 245,061.40 is: 367,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,257.40 : 721,886.10 = 245,061.40 : x
  2. Step 2: Convert to fraction form
    481,257.40/721,886.10 = 245,061.40/x
  3. Step 3: Cross multiply
    481,257.40x = 721,886.10 × 245,061.40
  4. Step 4: Simplify right side
    481,257.40x = 176,906,418,306.54
  5. Step 5: Solve for x
    x = 176,906,418,306.54/481,257.40
  6. Step 6: Final answer
    x = 367,592.10

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