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Finding the Fourth Proportional to 553,654.20, 764,030.16 and 338,793.60

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Solution

The fourth proportional to 553,654.20, 764,030.16 and 338,793.60 is: 467,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,654.20 : 764,030.16 = 338,793.60 : x
  2. Step 2: Convert to fraction form
    553,654.20/764,030.16 = 338,793.60/x
  3. Step 3: Cross multiply
    553,654.20x = 764,030.16 × 338,793.60
  4. Step 4: Simplify right side
    553,654.20x = 258,848,528,414.98
  5. Step 5: Solve for x
    x = 258,848,528,414.98/553,654.20
  6. Step 6: Final answer
    x = 467,527.44

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