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Finding the Fourth Proportional to 325,634.80, 488,452.20 and 292,457.20

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Solution

The fourth proportional to 325,634.80, 488,452.20 and 292,457.20 is: 438,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,634.80 : 488,452.20 = 292,457.20 : x
  2. Step 2: Convert to fraction form
    325,634.80/488,452.20 = 292,457.20/x
  3. Step 3: Cross multiply
    325,634.80x = 488,452.20 × 292,457.20
  4. Step 4: Simplify right side
    325,634.80x = 142,851,362,745.84
  5. Step 5: Solve for x
    x = 142,851,362,745.84/325,634.80
  6. Step 6: Final answer
    x = 438,685.80

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