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Finding the Fourth Proportional to 411,301.80, 615,749.85 and 293,203.80

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Solution

The fourth proportional to 411,301.80, 615,749.85 and 293,203.80 is: 438,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,301.80 : 615,749.85 = 293,203.80 : x
  2. Step 2: Convert to fraction form
    411,301.80/615,749.85 = 293,203.80/x
  3. Step 3: Cross multiply
    411,301.80x = 615,749.85 × 293,203.80
  4. Step 4: Simplify right side
    411,301.80x = 180,540,195,869.43
  5. Step 5: Solve for x
    x = 180,540,195,869.43/411,301.80
  6. Step 6: Final answer
    x = 438,948.23

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