Home / 419,727.06-579,206.44-228,736.35

Finding the Fourth Proportional to 419,727.06, 579,206.44 and 228,736.35

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Solution

The fourth proportional to 419,727.06, 579,206.44 and 228,736.35 is: 315,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,727.06 : 579,206.44 = 228,736.35 : x
  2. Step 2: Convert to fraction form
    419,727.06/579,206.44 = 228,736.35/x
  3. Step 3: Cross multiply
    419,727.06x = 579,206.44 × 228,736.35
  4. Step 4: Simplify right side
    419,727.06x = 132,485,566,982.09
  5. Step 5: Solve for x
    x = 132,485,566,982.09/419,727.06
  6. Step 6: Final answer
    x = 315,646.95

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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.