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Finding the Fourth Proportional to 435,471.20, 653,283.28 and 198,837.84

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Solution

The fourth proportional to 435,471.20, 653,283.28 and 198,837.84 is: 298,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,471.20 : 653,283.28 = 198,837.84 : x
  2. Step 2: Convert to fraction form
    435,471.20/653,283.28 = 198,837.84/x
  3. Step 3: Cross multiply
    435,471.20x = 653,283.28 × 198,837.84
  4. Step 4: Simplify right side
    435,471.20x = 129,897,436,303.32
  5. Step 5: Solve for x
    x = 129,897,436,303.32/435,471.20
  6. Step 6: Final answer
    x = 298,291.68

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