Home / 679,392.43-1,019,092.29-206,078.25

Finding the Fourth Proportional to 679,392.43, 1,019,092.29 and 206,078.25

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Solution

The fourth proportional to 679,392.43, 1,019,092.29 and 206,078.25 is: 309,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,392.43 : 1,019,092.29 = 206,078.25 : x
  2. Step 2: Convert to fraction form
    679,392.43/1,019,092.29 = 206,078.25/x
  3. Step 3: Cross multiply
    679,392.43x = 1,019,092.29 × 206,078.25
  4. Step 4: Simplify right side
    679,392.43x = 210,012,755,711.69
  5. Step 5: Solve for x
    x = 210,012,755,711.69/679,392.43
  6. Step 6: Final answer
    x = 309,118.48

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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.