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Finding the Fourth Proportional to 416,729.40, 575,087.98 and 225,742.20

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Solution

The fourth proportional to 416,729.40, 575,087.98 and 225,742.20 is: 311,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,729.40 : 575,087.98 = 225,742.20 : x
  2. Step 2: Convert to fraction form
    416,729.40/575,087.98 = 225,742.20/x
  3. Step 3: Cross multiply
    416,729.40x = 575,087.98 × 225,742.20
  4. Step 4: Simplify right side
    416,729.40x = 129,821,625,798.76
  5. Step 5: Solve for x
    x = 129,821,625,798.76/416,729.40
  6. Step 6: Final answer
    x = 311,525.00

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