Home / 814,361.90-1,221,552.26-245,747.94

Finding the Fourth Proportional to 814,361.90, 1,221,552.26 and 245,747.94

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Solution

The fourth proportional to 814,361.90, 1,221,552.26 and 245,747.94 is: 368,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,361.90 : 1,221,552.26 = 245,747.94 : x
  2. Step 2: Convert to fraction form
    814,361.90/1,221,552.26 = 245,747.94/x
  3. Step 3: Cross multiply
    814,361.90x = 1,221,552.26 × 245,747.94
  4. Step 4: Simplify right side
    814,361.90x = 300,193,951,497.34
  5. Step 5: Solve for x
    x = 300,193,951,497.34/814,361.90
  6. Step 6: Final answer
    x = 368,624.75

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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.