Home / 419,667.24-579,133.26-228,682.20

Finding the Fourth Proportional to 419,667.24, 579,133.26 and 228,682.20

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Solution

The fourth proportional to 419,667.24, 579,133.26 and 228,682.20 is: 315,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,667.24 : 579,133.26 = 228,682.20 : x
  2. Step 2: Convert to fraction form
    419,667.24/579,133.26 = 228,682.20/x
  3. Step 3: Cross multiply
    419,667.24x = 579,133.26 × 228,682.20
  4. Step 4: Simplify right side
    419,667.24x = 132,437,467,989.97
  5. Step 5: Solve for x
    x = 132,437,467,989.97/419,667.24
  6. Step 6: Final answer
    x = 315,577.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.