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Finding the Fourth Proportional to 978,634.72, 1,467,954.32 and 268,672.48

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Solution

The fourth proportional to 978,634.72, 1,467,954.32 and 268,672.48 is: 403,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,634.72 : 1,467,954.32 = 268,672.48 : x
  2. Step 2: Convert to fraction form
    978,634.72/1,467,954.32 = 268,672.48/x
  3. Step 3: Cross multiply
    978,634.72x = 1,467,954.32 × 268,672.48
  4. Step 4: Simplify right side
    978,634.72x = 394,398,927,681.11
  5. Step 5: Solve for x
    x = 394,398,927,681.11/978,634.72
  6. Step 6: Final answer
    x = 403,009.33

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