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Finding the Fourth Proportional to 479,883.25, 662,238.89 and 278,692.21

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Solution

The fourth proportional to 479,883.25, 662,238.89 and 278,692.21 is: 384,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,883.25 : 662,238.89 = 278,692.21 : x
  2. Step 2: Convert to fraction form
    479,883.25/662,238.89 = 278,692.21/x
  3. Step 3: Cross multiply
    479,883.25x = 662,238.89 × 278,692.21
  4. Step 4: Simplify right side
    479,883.25x = 184,560,819,802.05
  5. Step 5: Solve for x
    x = 184,560,819,802.05/479,883.25
  6. Step 6: Final answer
    x = 384,595.25

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