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Finding the Fourth Proportional to 338,451.11, 507,672.75 and 82,285.13

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Solution

The fourth proportional to 338,451.11, 507,672.75 and 82,285.13 is: 123,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,451.11 : 507,672.75 = 82,285.13 : x
  2. Step 2: Convert to fraction form
    338,451.11/507,672.75 = 82,285.13/x
  3. Step 3: Cross multiply
    338,451.11x = 507,672.75 × 82,285.13
  4. Step 4: Simplify right side
    338,451.11x = 41,773,920,764.12
  5. Step 5: Solve for x
    x = 41,773,920,764.12/338,451.11
  6. Step 6: Final answer
    x = 123,426.75

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