Home / 679,568.20-1,019,352.30-206,252.80

Finding the Fourth Proportional to 679,568.20, 1,019,352.30 and 206,252.80

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Solution

The fourth proportional to 679,568.20, 1,019,352.30 and 206,252.80 is: 309,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,568.20 : 1,019,352.30 = 206,252.80 : x
  2. Step 2: Convert to fraction form
    679,568.20/1,019,352.30 = 206,252.80/x
  3. Step 3: Cross multiply
    679,568.20x = 1,019,352.30 × 206,252.80
  4. Step 4: Simplify right side
    679,568.20x = 210,244,266,061.44
  5. Step 5: Solve for x
    x = 210,244,266,061.44/679,568.20
  6. Step 6: Final answer
    x = 309,379.20

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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.