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Finding the Fourth Proportional to 352,158.40, 526,855.20 and 318,980.80

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Solution

The fourth proportional to 352,158.40, 526,855.20 and 318,980.80 is: 477,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,158.40 : 526,855.20 = 318,980.80 : x
  2. Step 2: Convert to fraction form
    352,158.40/526,855.20 = 318,980.80/x
  3. Step 3: Cross multiply
    352,158.40x = 526,855.20 × 318,980.80
  4. Step 4: Simplify right side
    352,158.40x = 168,056,693,180.16
  5. Step 5: Solve for x
    x = 168,056,693,180.16/352,158.40
  6. Step 6: Final answer
    x = 477,219.04

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