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Finding the Fourth Proportional to 325,823.60, 488,735.40 and 314,937.20

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Solution

The fourth proportional to 325,823.60, 488,735.40 and 314,937.20 is: 472,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,823.60 : 488,735.40 = 314,937.20 : x
  2. Step 2: Convert to fraction form
    325,823.60/488,735.40 = 314,937.20/x
  3. Step 3: Cross multiply
    325,823.60x = 488,735.40 × 314,937.20
  4. Step 4: Simplify right side
    325,823.60x = 153,920,958,416.88
  5. Step 5: Solve for x
    x = 153,920,958,416.88/325,823.60
  6. Step 6: Final answer
    x = 472,405.80

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