Home / 680,833.44-1,021,401.82-207,555.66

Finding the Fourth Proportional to 680,833.44, 1,021,401.82 and 207,555.66

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Solution

The fourth proportional to 680,833.44, 1,021,401.82 and 207,555.66 is: 311,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,833.44 : 1,021,401.82 = 207,555.66 : x
  2. Step 2: Convert to fraction form
    680,833.44/1,021,401.82 = 207,555.66/x
  3. Step 3: Cross multiply
    680,833.44x = 1,021,401.82 × 207,555.66
  4. Step 4: Simplify right side
    680,833.44x = 211,997,728,875.30
  5. Step 5: Solve for x
    x = 211,997,728,875.30/680,833.44
  6. Step 6: Final answer
    x = 311,379.72

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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.