Home / 814,961.76-1,222,165.81-282,358.47

Finding the Fourth Proportional to 814,961.76, 1,222,165.81 and 282,358.47

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Solution

The fourth proportional to 814,961.76, 1,222,165.81 and 282,358.47 is: 423,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,961.76 : 1,222,165.81 = 282,358.47 : x
  2. Step 2: Convert to fraction form
    814,961.76/1,222,165.81 = 282,358.47/x
  3. Step 3: Cross multiply
    814,961.76x = 1,222,165.81 × 282,358.47
  4. Step 4: Simplify right side
    814,961.76x = 345,088,868,197.91
  5. Step 5: Solve for x
    x = 345,088,868,197.91/814,961.76
  6. Step 6: Final answer
    x = 423,441.79

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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.