Home / 680,672.01-1,021,016.21-207,361.47

Finding the Fourth Proportional to 680,672.01, 1,021,016.21 and 207,361.47

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Solution

The fourth proportional to 680,672.01, 1,021,016.21 and 207,361.47 is: 311,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,672.01 : 1,021,016.21 = 207,361.47 : x
  2. Step 2: Convert to fraction form
    680,672.01/1,021,016.21 = 207,361.47/x
  3. Step 3: Cross multiply
    680,672.01x = 1,021,016.21 × 207,361.47
  4. Step 4: Simplify right side
    680,672.01x = 211,719,420,997.83
  5. Step 5: Solve for x
    x = 211,719,420,997.83/680,672.01
  6. Step 6: Final answer
    x = 311,044.70

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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.