Home / 494,744.83-682,749.14-268,390.33

Finding the Fourth Proportional to 494,744.83, 682,749.14 and 268,390.33

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Solution

The fourth proportional to 494,744.83, 682,749.14 and 268,390.33 is: 370,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,744.83 : 682,749.14 = 268,390.33 : x
  2. Step 2: Convert to fraction form
    494,744.83/682,749.14 = 268,390.33/x
  3. Step 3: Cross multiply
    494,744.83x = 682,749.14 × 268,390.33
  4. Step 4: Simplify right side
    494,744.83x = 183,243,263,942.99
  5. Step 5: Solve for x
    x = 183,243,263,942.99/494,744.83
  6. Step 6: Final answer
    x = 370,379.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.