Home / 814,724.12-1,221,794.55-282,102.14

Finding the Fourth Proportional to 814,724.12, 1,221,794.55 and 282,102.14

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Solution

The fourth proportional to 814,724.12, 1,221,794.55 and 282,102.14 is: 423,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,724.12 : 1,221,794.55 = 282,102.14 : x
  2. Step 2: Convert to fraction form
    814,724.12/1,221,794.55 = 282,102.14/x
  3. Step 3: Cross multiply
    814,724.12x = 1,221,794.55 × 282,102.14
  4. Step 4: Simplify right side
    814,724.12x = 344,670,857,195.34
  5. Step 5: Solve for x
    x = 344,670,857,195.34/814,724.12
  6. Step 6: Final answer
    x = 423,052.23

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1.5x scale

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.