Home / 568,904.28-853,389.19-213,921.38

Finding the Fourth Proportional to 568,904.28, 853,389.19 and 213,921.38

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Solution

The fourth proportional to 568,904.28, 853,389.19 and 213,921.38 is: 320,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,904.28 : 853,389.19 = 213,921.38 : x
  2. Step 2: Convert to fraction form
    568,904.28/853,389.19 = 213,921.38/x
  3. Step 3: Cross multiply
    568,904.28x = 853,389.19 × 213,921.38
  4. Step 4: Simplify right side
    568,904.28x = 182,558,193,804.25
  5. Step 5: Solve for x
    x = 182,558,193,804.25/568,904.28
  6. Step 6: Final answer
    x = 320,894.39

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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.