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Finding the Fourth Proportional to 453,530.80, 680,555.40 and 173,249.20

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Solution

The fourth proportional to 453,530.80, 680,555.40 and 173,249.20 is: 259,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,530.80 : 680,555.40 = 173,249.20 : x
  2. Step 2: Convert to fraction form
    453,530.80/680,555.40 = 173,249.20/x
  3. Step 3: Cross multiply
    453,530.80x = 680,555.40 × 173,249.20
  4. Step 4: Simplify right side
    453,530.80x = 117,905,678,605.68
  5. Step 5: Solve for x
    x = 117,905,678,605.68/453,530.80
  6. Step 6: Final answer
    x = 259,972.81

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