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Finding the Fourth Proportional to 568,904.88, 853,481.95 and 213,918.90

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Solution

The fourth proportional to 568,904.88, 853,481.95 and 213,918.90 is: 320,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,904.88 : 853,481.95 = 213,918.90 : x
  2. Step 2: Convert to fraction form
    568,904.88/853,481.95 = 213,918.90/x
  3. Step 3: Cross multiply
    568,904.88x = 853,481.95 × 213,918.90
  4. Step 4: Simplify right side
    568,904.88x = 182,575,919,481.39
  5. Step 5: Solve for x
    x = 182,575,919,481.39/568,904.88
  6. Step 6: Final answer
    x = 320,925.21

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1.5x scale

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.