Home / 805,765.82-1,208,786.43-332,192.30

Finding the Fourth Proportional to 805,765.82, 1,208,786.43 and 332,192.30

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Solution

The fourth proportional to 805,765.82, 1,208,786.43 and 332,192.30 is: 498,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,765.82 : 1,208,786.43 = 332,192.30 : x
  2. Step 2: Convert to fraction form
    805,765.82/1,208,786.43 = 332,192.30/x
  3. Step 3: Cross multiply
    805,765.82x = 1,208,786.43 × 332,192.30
  4. Step 4: Simplify right side
    805,765.82x = 401,549,544,390.49
  5. Step 5: Solve for x
    x = 401,549,544,390.49/805,765.82
  6. Step 6: Final answer
    x = 498,345.22

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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.