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Finding the Fourth Proportional to 489,255.72, 675,179.64 and 295,636.56

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Solution

The fourth proportional to 489,255.72, 675,179.64 and 295,636.56 is: 407,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,255.72 : 675,179.64 = 295,636.56 : x
  2. Step 2: Convert to fraction form
    489,255.72/675,179.64 = 295,636.56/x
  3. Step 3: Cross multiply
    489,255.72x = 675,179.64 × 295,636.56
  4. Step 4: Simplify right side
    489,255.72x = 199,607,786,151.64
  5. Step 5: Solve for x
    x = 199,607,786,151.64/489,255.72
  6. Step 6: Final answer
    x = 407,982.53

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