Home / 679,568.33-1,019,358.53-206,253.61

Finding the Fourth Proportional to 679,568.33, 1,019,358.53 and 206,253.61

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Solution

The fourth proportional to 679,568.33, 1,019,358.53 and 206,253.61 is: 309,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,568.33 : 1,019,358.53 = 206,253.61 : x
  2. Step 2: Convert to fraction form
    679,568.33/1,019,358.53 = 206,253.61/x
  3. Step 3: Cross multiply
    679,568.33x = 1,019,358.53 × 206,253.61
  4. Step 4: Simplify right side
    679,568.33x = 210,246,376,696.79
  5. Step 5: Solve for x
    x = 210,246,376,696.79/679,568.33
  6. Step 6: Final answer
    x = 309,382.25

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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.