Home / 679,514.52-1,019,277.96-206,199.90

Finding the Fourth Proportional to 679,514.52, 1,019,277.96 and 206,199.90

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Solution

The fourth proportional to 679,514.52, 1,019,277.96 and 206,199.90 is: 309,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,514.52 : 1,019,277.96 = 206,199.90 : x
  2. Step 2: Convert to fraction form
    679,514.52/1,019,277.96 = 206,199.90/x
  3. Step 3: Cross multiply
    679,514.52x = 1,019,277.96 × 206,199.90
  4. Step 4: Simplify right side
    679,514.52x = 210,175,013,424.20
  5. Step 5: Solve for x
    x = 210,175,013,424.20/679,514.52
  6. Step 6: Final answer
    x = 309,301.73

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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.