Home / 679,514.04-1,019,277.20-206,199.39

Finding the Fourth Proportional to 679,514.04, 1,019,277.20 and 206,199.39

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Solution

The fourth proportional to 679,514.04, 1,019,277.20 and 206,199.39 is: 309,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,514.04 : 1,019,277.20 = 206,199.39 : x
  2. Step 2: Convert to fraction form
    679,514.04/1,019,277.20 = 206,199.39/x
  3. Step 3: Cross multiply
    679,514.04x = 1,019,277.20 × 206,199.39
  4. Step 4: Simplify right side
    679,514.04x = 210,174,336,880.91
  5. Step 5: Solve for x
    x = 210,174,336,880.91/679,514.04
  6. Step 6: Final answer
    x = 309,300.95

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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.