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Finding the Fourth Proportional to 978,810.48, 1,468,149.96 and 268,779

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Solution

The fourth proportional to 978,810.48, 1,468,149.96 and 268,779 is: 403,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,810.48 : 1,468,149.96 = 268,779 : x
  2. Step 2: Convert to fraction form
    978,810.48/1,468,149.96 = 268,779/x
  3. Step 3: Cross multiply
    978,810.48x = 1,468,149.96 × 268,779
  4. Step 4: Simplify right side
    978,810.48x = 394,607,878,098.84
  5. Step 5: Solve for x
    x = 394,607,878,098.84/978,810.48
  6. Step 6: Final answer
    x = 403,150.44

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