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Finding the Fourth Proportional to 460,112.40, 688,613.40 and 404,125.20

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Solution

The fourth proportional to 460,112.40, 688,613.40 and 404,125.20 is: 604,821.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,112.40 : 688,613.40 = 404,125.20 : x
  2. Step 2: Convert to fraction form
    460,112.40/688,613.40 = 404,125.20/x
  3. Step 3: Cross multiply
    460,112.40x = 688,613.40 × 404,125.20
  4. Step 4: Simplify right side
    460,112.40x = 278,286,027,997.68
  5. Step 5: Solve for x
    x = 278,286,027,997.68/460,112.40
  6. Step 6: Final answer
    x = 604,821.84

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