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Finding the Fourth Proportional to 854,453, 1,281,767.26 and 322,421.80

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Solution

The fourth proportional to 854,453, 1,281,767.26 and 322,421.80 is: 483,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,453 : 1,281,767.26 = 322,421.80 : x
  2. Step 2: Convert to fraction form
    854,453/1,281,767.26 = 322,421.80/x
  3. Step 3: Cross multiply
    854,453x = 1,281,767.26 × 322,421.80
  4. Step 4: Simplify right side
    854,453x = 413,269,707,150.27
  5. Step 5: Solve for x
    x = 413,269,707,150.27/854,453
  6. Step 6: Final answer
    x = 483,665.82

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