Home / 699,590.05-1,048,851.79-219,540.98

Finding the Fourth Proportional to 699,590.05, 1,048,851.79 and 219,540.98

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Solution

The fourth proportional to 699,590.05, 1,048,851.79 and 219,540.98 is: 329,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,590.05 : 1,048,851.79 = 219,540.98 : x
  2. Step 2: Convert to fraction form
    699,590.05/1,048,851.79 = 219,540.98/x
  3. Step 3: Cross multiply
    699,590.05x = 1,048,851.79 × 219,540.98
  4. Step 4: Simplify right side
    699,590.05x = 230,265,951,924.63
  5. Step 5: Solve for x
    x = 230,265,951,924.63/699,590.05
  6. Step 6: Final answer
    x = 329,144.12

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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.