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Finding the Fourth Proportional to 325,890.60, 488,447.10 and 292,453.80

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Solution

The fourth proportional to 325,890.60, 488,447.10 and 292,453.80 is: 438,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,890.60 : 488,447.10 = 292,453.80 : x
  2. Step 2: Convert to fraction form
    325,890.60/488,447.10 = 292,453.80/x
  3. Step 3: Cross multiply
    325,890.60x = 488,447.10 × 292,453.80
  4. Step 4: Simplify right side
    325,890.60x = 142,848,210,493.98
  5. Step 5: Solve for x
    x = 142,848,210,493.98/325,890.60
  6. Step 6: Final answer
    x = 438,331.79

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