Home / 814,059.24-1,221,274.86-281,579.82

Finding the Fourth Proportional to 814,059.24, 1,221,274.86 and 281,579.82

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Solution

The fourth proportional to 814,059.24, 1,221,274.86 and 281,579.82 is: 422,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,059.24 : 1,221,274.86 = 281,579.82 : x
  2. Step 2: Convert to fraction form
    814,059.24/1,221,274.86 = 281,579.82/x
  3. Step 3: Cross multiply
    814,059.24x = 1,221,274.86 × 281,579.82
  4. Step 4: Simplify right side
    814,059.24x = 343,886,355,249.33
  5. Step 5: Solve for x
    x = 343,886,355,249.33/814,059.24
  6. Step 6: Final answer
    x = 422,434.07

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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.