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Finding the Fourth Proportional to 352,890.80, 529,280.64 and 293,301.92

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Solution

The fourth proportional to 352,890.80, 529,280.64 and 293,301.92 is: 439,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,890.80 : 529,280.64 = 293,301.92 : x
  2. Step 2: Convert to fraction form
    352,890.80/529,280.64 = 293,301.92/x
  3. Step 3: Cross multiply
    352,890.80x = 529,280.64 × 293,301.92
  4. Step 4: Simplify right side
    352,890.80x = 155,239,027,930.83
  5. Step 5: Solve for x
    x = 155,239,027,930.83/352,890.80
  6. Step 6: Final answer
    x = 439,906.70

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