Home / 805,768.82-1,208,790.93-332,195.30

Finding the Fourth Proportional to 805,768.82, 1,208,790.93 and 332,195.30

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Solution

The fourth proportional to 805,768.82, 1,208,790.93 and 332,195.30 is: 498,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,768.82 : 1,208,790.93 = 332,195.30 : x
  2. Step 2: Convert to fraction form
    805,768.82/1,208,790.93 = 332,195.30/x
  3. Step 3: Cross multiply
    805,768.82x = 1,208,790.93 × 332,195.30
  4. Step 4: Simplify right side
    805,768.82x = 401,554,665,628.63
  5. Step 5: Solve for x
    x = 401,554,665,628.63/805,768.82
  6. Step 6: Final answer
    x = 498,349.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.