Home / 679,566.33-1,019,355.53-206,251.61

Finding the Fourth Proportional to 679,566.33, 1,019,355.53 and 206,251.61

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Solution

The fourth proportional to 679,566.33, 1,019,355.53 and 206,251.61 is: 309,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,566.33 : 1,019,355.53 = 206,251.61 : x
  2. Step 2: Convert to fraction form
    679,566.33/1,019,355.53 = 206,251.61/x
  3. Step 3: Cross multiply
    679,566.33x = 1,019,355.53 × 206,251.61
  4. Step 4: Simplify right side
    679,566.33x = 210,243,713,096.87
  5. Step 5: Solve for x
    x = 210,243,713,096.87/679,566.33
  6. Step 6: Final answer
    x = 309,379.24

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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.