Home / 568,982.61-853,601.03-213,999.70

Finding the Fourth Proportional to 568,982.61, 853,601.03 and 213,999.70

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Solution

The fourth proportional to 568,982.61, 853,601.03 and 213,999.70 is: 321,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,982.61 : 853,601.03 = 213,999.70 : x
  2. Step 2: Convert to fraction form
    568,982.61/853,601.03 = 213,999.70/x
  3. Step 3: Cross multiply
    568,982.61x = 853,601.03 × 213,999.70
  4. Step 4: Simplify right side
    568,982.61x = 182,670,363,269.69
  5. Step 5: Solve for x
    x = 182,670,363,269.69/568,982.61
  6. Step 6: Final answer
    x = 321,047.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.