Home / 867,855.20-1,301,199.60-394,296.80

Finding the Fourth Proportional to 867,855.20, 1,301,199.60 and 394,296.80

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Solution

The fourth proportional to 867,855.20, 1,301,199.60 and 394,296.80 is: 591,180.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,855.20 : 1,301,199.60 = 394,296.80 : x
  2. Step 2: Convert to fraction form
    867,855.20/1,301,199.60 = 394,296.80/x
  3. Step 3: Cross multiply
    867,855.20x = 1,301,199.60 × 394,296.80
  4. Step 4: Simplify right side
    867,855.20x = 513,058,838,441.28
  5. Step 5: Solve for x
    x = 513,058,838,441.28/867,855.20
  6. Step 6: Final answer
    x = 591,180.23

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