Home / 419,829.36-579,370.56-228,842.76

Finding the Fourth Proportional to 419,829.36, 579,370.56 and 228,842.76

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Solution

The fourth proportional to 419,829.36, 579,370.56 and 228,842.76 is: 315,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,829.36 : 579,370.56 = 228,842.76 : x
  2. Step 2: Convert to fraction form
    419,829.36/579,370.56 = 228,842.76/x
  3. Step 3: Cross multiply
    419,829.36x = 579,370.56 × 228,842.76
  4. Step 4: Simplify right side
    419,829.36x = 132,584,758,013.15
  5. Step 5: Solve for x
    x = 132,584,758,013.15/419,829.36
  6. Step 6: Final answer
    x = 315,806.30

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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.