Home / 814,725.12-1,221,796.05-282,103.14

Finding the Fourth Proportional to 814,725.12, 1,221,796.05 and 282,103.14

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Solution

The fourth proportional to 814,725.12, 1,221,796.05 and 282,103.14 is: 423,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,725.12 : 1,221,796.05 = 282,103.14 : x
  2. Step 2: Convert to fraction form
    814,725.12/1,221,796.05 = 282,103.14/x
  3. Step 3: Cross multiply
    814,725.12x = 1,221,796.05 × 282,103.14
  4. Step 4: Simplify right side
    814,725.12x = 344,672,502,144.60
  5. Step 5: Solve for x
    x = 344,672,502,144.60/814,725.12
  6. Step 6: Final answer
    x = 423,053.73

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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.