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Finding the Fourth Proportional to 352,059.80, 528,089.70 and 313,352.60

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Solution

The fourth proportional to 352,059.80, 528,089.70 and 313,352.60 is: 470,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,059.80 : 528,089.70 = 313,352.60 : x
  2. Step 2: Convert to fraction form
    352,059.80/528,089.70 = 313,352.60/x
  3. Step 3: Cross multiply
    352,059.80x = 528,089.70 × 313,352.60
  4. Step 4: Simplify right side
    352,059.80x = 165,478,280,528.22
  5. Step 5: Solve for x
    x = 165,478,280,528.22/352,059.80
  6. Step 6: Final answer
    x = 470,028.90

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