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Finding the Fourth Proportional to 435,723.20, 653,455.20 and 169,330.40

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Solution

The fourth proportional to 435,723.20, 653,455.20 and 169,330.40 is: 253,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,723.20 : 653,455.20 = 169,330.40 : x
  2. Step 2: Convert to fraction form
    435,723.20/653,455.20 = 169,330.40/x
  3. Step 3: Cross multiply
    435,723.20x = 653,455.20 × 169,330.40
  4. Step 4: Simplify right side
    435,723.20x = 110,649,830,398.08
  5. Step 5: Solve for x
    x = 110,649,830,398.08/435,723.20
  6. Step 6: Final answer
    x = 253,945.23

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