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Finding the Fourth Proportional to 404,742.80, 607,114.20 and 194,272.40

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Solution

The fourth proportional to 404,742.80, 607,114.20 and 194,272.40 is: 291,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,742.80 : 607,114.20 = 194,272.40 : x
  2. Step 2: Convert to fraction form
    404,742.80/607,114.20 = 194,272.40/x
  3. Step 3: Cross multiply
    404,742.80x = 607,114.20 × 194,272.40
  4. Step 4: Simplify right side
    404,742.80x = 117,945,532,708.08
  5. Step 5: Solve for x
    x = 117,945,532,708.08/404,742.80
  6. Step 6: Final answer
    x = 291,408.60

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