Home / 814,713.12-1,221,778.08-282,091.14

Finding the Fourth Proportional to 814,713.12, 1,221,778.08 and 282,091.14

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Solution

The fourth proportional to 814,713.12, 1,221,778.08 and 282,091.14 is: 423,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,713.12 : 1,221,778.08 = 282,091.14 : x
  2. Step 2: Convert to fraction form
    814,713.12/1,221,778.08 = 282,091.14/x
  3. Step 3: Cross multiply
    814,713.12x = 1,221,778.08 × 282,091.14
  4. Step 4: Simplify right side
    814,713.12x = 344,652,771,414.21
  5. Step 5: Solve for x
    x = 344,652,771,414.21/814,713.12
  6. Step 6: Final answer
    x = 423,035.74

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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.