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Finding the Fourth Proportional to 352,050.80, 528,076.20 and 313,343.60

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Solution

The fourth proportional to 352,050.80, 528,076.20 and 313,343.60 is: 470,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,050.80 : 528,076.20 = 313,343.60 : x
  2. Step 2: Convert to fraction form
    352,050.80/528,076.20 = 313,343.60/x
  3. Step 3: Cross multiply
    352,050.80x = 528,076.20 × 313,343.60
  4. Step 4: Simplify right side
    352,050.80x = 165,469,297,582.32
  5. Step 5: Solve for x
    x = 165,469,297,582.32/352,050.80
  6. Step 6: Final answer
    x = 470,015.40

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