Home / 680,834.44-1,021,403.32-207,556.66

Finding the Fourth Proportional to 680,834.44, 1,021,403.32 and 207,556.66

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Solution

The fourth proportional to 680,834.44, 1,021,403.32 and 207,556.66 is: 311,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,834.44 : 1,021,403.32 = 207,556.66 : x
  2. Step 2: Convert to fraction form
    680,834.44/1,021,403.32 = 207,556.66/x
  3. Step 3: Cross multiply
    680,834.44x = 1,021,403.32 × 207,556.66
  4. Step 4: Simplify right side
    680,834.44x = 211,999,061,612.11
  5. Step 5: Solve for x
    x = 211,999,061,612.11/680,834.44
  6. Step 6: Final answer
    x = 311,381.22

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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.