Home / 679,677.29-1,019,450.01-206,366.75

Finding the Fourth Proportional to 679,677.29, 1,019,450.01 and 206,366.75

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Solution

The fourth proportional to 679,677.29, 1,019,450.01 and 206,366.75 is: 309,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,677.29 : 1,019,450.01 = 206,366.75 : x
  2. Step 2: Convert to fraction form
    679,677.29/1,019,450.01 = 206,366.75/x
  3. Step 3: Cross multiply
    679,677.29x = 1,019,450.01 × 206,366.75
  4. Step 4: Simplify right side
    679,677.29x = 210,380,585,351.17
  5. Step 5: Solve for x
    x = 210,380,585,351.17/679,677.29
  6. Step 6: Final answer
    x = 309,530.11

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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.