Home / 680,294.83-1,020,589.87-206,967.89

Finding the Fourth Proportional to 680,294.83, 1,020,589.87 and 206,967.89

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Solution

The fourth proportional to 680,294.83, 1,020,589.87 and 206,967.89 is: 310,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,294.83 : 1,020,589.87 = 206,967.89 : x
  2. Step 2: Convert to fraction form
    680,294.83/1,020,589.87 = 206,967.89/x
  3. Step 3: Cross multiply
    680,294.83x = 1,020,589.87 × 206,967.89
  4. Step 4: Simplify right side
    680,294.83x = 211,229,331,949.27
  5. Step 5: Solve for x
    x = 211,229,331,949.27/680,294.83
  6. Step 6: Final answer
    x = 310,496.75

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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.