Home / 419,631.85-579,092.03-228,645.24

Finding the Fourth Proportional to 419,631.85, 579,092.03 and 228,645.24

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Solution

The fourth proportional to 419,631.85, 579,092.03 and 228,645.24 is: 315,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,631.85 : 579,092.03 = 228,645.24 : x
  2. Step 2: Convert to fraction form
    419,631.85/579,092.03 = 228,645.24/x
  3. Step 3: Cross multiply
    419,631.85x = 579,092.03 × 228,645.24
  4. Step 4: Simplify right side
    419,631.85x = 132,406,636,181.44
  5. Step 5: Solve for x
    x = 132,406,636,181.44/419,631.85
  6. Step 6: Final answer
    x = 315,530.47

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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.