Home / 419,581.35-579,016.86-228,594.89

Finding the Fourth Proportional to 419,581.35, 579,016.86 and 228,594.89

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Solution

The fourth proportional to 419,581.35, 579,016.86 and 228,594.89 is: 315,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,581.35 : 579,016.86 = 228,594.89 : x
  2. Step 2: Convert to fraction form
    419,581.35/579,016.86 = 228,594.89/x
  3. Step 3: Cross multiply
    419,581.35x = 579,016.86 × 228,594.89
  4. Step 4: Simplify right side
    419,581.35x = 132,360,296,010.16
  5. Step 5: Solve for x
    x = 132,360,296,010.16/419,581.35
  6. Step 6: Final answer
    x = 315,458.01

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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.