Home / 679,513.04-1,019,275.70-206,198.39

Finding the Fourth Proportional to 679,513.04, 1,019,275.70 and 206,198.39

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Solution

The fourth proportional to 679,513.04, 1,019,275.70 and 206,198.39 is: 309,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,513.04 : 1,019,275.70 = 206,198.39 : x
  2. Step 2: Convert to fraction form
    679,513.04/1,019,275.70 = 206,198.39/x
  3. Step 3: Cross multiply
    679,513.04x = 1,019,275.70 × 206,198.39
  4. Step 4: Simplify right side
    679,513.04x = 210,173,002,178.75
  5. Step 5: Solve for x
    x = 210,173,002,178.75/679,513.04
  6. Step 6: Final answer
    x = 309,299.44

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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.