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Finding the Fourth Proportional to 597,998.40, 897,040.80 and 198,916.80

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Solution

The fourth proportional to 597,998.40, 897,040.80 and 198,916.80 is: 298,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,998.40 : 897,040.80 = 198,916.80 : x
  2. Step 2: Convert to fraction form
    597,998.40/897,040.80 = 198,916.80/x
  3. Step 3: Cross multiply
    597,998.40x = 897,040.80 × 198,916.80
  4. Step 4: Simplify right side
    597,998.40x = 178,436,485,405.44
  5. Step 5: Solve for x
    x = 178,436,485,405.44/597,998.40
  6. Step 6: Final answer
    x = 298,389.57

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