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Finding the Fourth Proportional to 567,450.99, 783,087.62 and 312,811.29

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Solution

The fourth proportional to 567,450.99, 783,087.62 and 312,811.29 is: 431,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,450.99 : 783,087.62 = 312,811.29 : x
  2. Step 2: Convert to fraction form
    567,450.99/783,087.62 = 312,811.29/x
  3. Step 3: Cross multiply
    567,450.99x = 783,087.62 × 312,811.29
  4. Step 4: Simplify right side
    567,450.99x = 244,958,647,031.17
  5. Step 5: Solve for x
    x = 244,958,647,031.17/567,450.99
  6. Step 6: Final answer
    x = 431,682.47

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