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Finding the Fourth Proportional to 394,911.82, 544,411.47 and 281,537.74

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Solution

The fourth proportional to 394,911.82, 544,411.47 and 281,537.74 is: 388,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,911.82 : 544,411.47 = 281,537.74 : x
  2. Step 2: Convert to fraction form
    394,911.82/544,411.47 = 281,537.74/x
  3. Step 3: Cross multiply
    394,911.82x = 544,411.47 × 281,537.74
  4. Step 4: Simplify right side
    394,911.82x = 153,272,374,893.88
  5. Step 5: Solve for x
    x = 153,272,374,893.88/394,911.82
  6. Step 6: Final answer
    x = 388,117.97

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