Home / 680,830.44-1,021,397.31-207,552.66

Finding the Fourth Proportional to 680,830.44, 1,021,397.31 and 207,552.66

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Solution

The fourth proportional to 680,830.44, 1,021,397.31 and 207,552.66 is: 311,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,830.44 : 1,021,397.31 = 207,552.66 : x
  2. Step 2: Convert to fraction form
    680,830.44/1,021,397.31 = 207,552.66/x
  3. Step 3: Cross multiply
    680,830.44x = 1,021,397.31 × 207,552.66
  4. Step 4: Simplify right side
    680,830.44x = 211,993,728,607.35
  5. Step 5: Solve for x
    x = 211,993,728,607.35/680,830.44
  6. Step 6: Final answer
    x = 311,375.22

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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.