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Finding the Fourth Proportional to 465,135.20, 699,085.20 and 404,309.60

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Solution

The fourth proportional to 465,135.20, 699,085.20 and 404,309.60 is: 607,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,135.20 : 699,085.20 = 404,309.60 : x
  2. Step 2: Convert to fraction form
    465,135.20/699,085.20 = 404,309.60/x
  3. Step 3: Cross multiply
    465,135.20x = 699,085.20 × 404,309.60
  4. Step 4: Simplify right side
    465,135.20x = 282,646,857,577.92
  5. Step 5: Solve for x
    x = 282,646,857,577.92/465,135.20
  6. Step 6: Final answer
    x = 607,666.02

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