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Finding the Fourth Proportional to 482,867.80, 724,992.90 and 272,915.80

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Solution

The fourth proportional to 482,867.80, 724,992.90 and 272,915.80 is: 409,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,867.80 : 724,992.90 = 272,915.80 : x
  2. Step 2: Convert to fraction form
    482,867.80/724,992.90 = 272,915.80/x
  3. Step 3: Cross multiply
    482,867.80x = 724,992.90 × 272,915.80
  4. Step 4: Simplify right side
    482,867.80x = 197,862,017,297.82
  5. Step 5: Solve for x
    x = 197,862,017,297.82/482,867.80
  6. Step 6: Final answer
    x = 409,764.36

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