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Finding the Fourth Proportional to 524,768.80, 788,902.80 and 447,786.40

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Solution

The fourth proportional to 524,768.80, 788,902.80 and 447,786.40 is: 673,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,768.80 : 788,902.80 = 447,786.40 : x
  2. Step 2: Convert to fraction form
    524,768.80/788,902.80 = 447,786.40/x
  3. Step 3: Cross multiply
    524,768.80x = 788,902.80 × 447,786.40
  4. Step 4: Simplify right side
    524,768.80x = 353,259,944,761.92
  5. Step 5: Solve for x
    x = 353,259,944,761.92/524,768.80
  6. Step 6: Final answer
    x = 673,172.54

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