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Finding the Fourth Proportional to 353,902.20, 531,890.10 and 347,681.40

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Solution

The fourth proportional to 353,902.20, 531,890.10 and 347,681.40 is: 522,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,902.20 : 531,890.10 = 347,681.40 : x
  2. Step 2: Convert to fraction form
    353,902.20/531,890.10 = 347,681.40/x
  3. Step 3: Cross multiply
    353,902.20x = 531,890.10 × 347,681.40
  4. Step 4: Simplify right side
    353,902.20x = 184,928,294,614.14
  5. Step 5: Solve for x
    x = 184,928,294,614.14/353,902.20
  6. Step 6: Final answer
    x = 522,540.68

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