Home / 679,516.27-1,019,280.59-206,201.65

Finding the Fourth Proportional to 679,516.27, 1,019,280.59 and 206,201.65

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Solution

The fourth proportional to 679,516.27, 1,019,280.59 and 206,201.65 is: 309,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,516.27 : 1,019,280.59 = 206,201.65 : x
  2. Step 2: Convert to fraction form
    679,516.27/1,019,280.59 = 206,201.65/x
  3. Step 3: Cross multiply
    679,516.27x = 1,019,280.59 × 206,201.65
  4. Step 4: Simplify right side
    679,516.27x = 210,177,339,470.97
  5. Step 5: Solve for x
    x = 210,177,339,470.97/679,516.27
  6. Step 6: Final answer
    x = 309,304.35

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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.