Home / 814,257.82-1,220,998.47-364,982.41

Finding the Fourth Proportional to 814,257.82, 1,220,998.47 and 364,982.41

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Solution

The fourth proportional to 814,257.82, 1,220,998.47 and 364,982.41 is: 547,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,257.82 : 1,220,998.47 = 364,982.41 : x
  2. Step 2: Convert to fraction form
    814,257.82/1,220,998.47 = 364,982.41/x
  3. Step 3: Cross multiply
    814,257.82x = 1,220,998.47 × 364,982.41
  4. Step 4: Simplify right side
    814,257.82x = 445,642,964,186.91
  5. Step 5: Solve for x
    x = 445,642,964,186.91/814,257.82
  6. Step 6: Final answer
    x = 547,299.58

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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.