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Finding the Fourth Proportional to 479,884.25, 662,240.27 and 278,693.21

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Solution

The fourth proportional to 479,884.25, 662,240.27 and 278,693.21 is: 384,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,884.25 : 662,240.27 = 278,693.21 : x
  2. Step 2: Convert to fraction form
    479,884.25/662,240.27 = 278,693.21/x
  3. Step 3: Cross multiply
    479,884.25x = 662,240.27 × 278,693.21
  4. Step 4: Simplify right side
    479,884.25x = 184,561,866,637.57
  5. Step 5: Solve for x
    x = 184,561,866,637.57/479,884.25
  6. Step 6: Final answer
    x = 384,596.63

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