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Finding the Fourth Proportional to 338,455.20, 507,682.80 and 336,122.40

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Solution

The fourth proportional to 338,455.20, 507,682.80 and 336,122.40 is: 504,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,455.20 : 507,682.80 = 336,122.40 : x
  2. Step 2: Convert to fraction form
    338,455.20/507,682.80 = 336,122.40/x
  3. Step 3: Cross multiply
    338,455.20x = 507,682.80 × 336,122.40
  4. Step 4: Simplify right side
    338,455.20x = 170,643,561,174.72
  5. Step 5: Solve for x
    x = 170,643,561,174.72/338,455.20
  6. Step 6: Final answer
    x = 504,183.60

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