Home / 680,816.44-1,021,376.31-207,538.66

Finding the Fourth Proportional to 680,816.44, 1,021,376.31 and 207,538.66

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Solution

The fourth proportional to 680,816.44, 1,021,376.31 and 207,538.66 is: 311,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,816.44 : 1,021,376.31 = 207,538.66 : x
  2. Step 2: Convert to fraction form
    680,816.44/1,021,376.31 = 207,538.66/x
  3. Step 3: Cross multiply
    680,816.44x = 1,021,376.31 × 207,538.66
  4. Step 4: Simplify right side
    680,816.44x = 211,975,070,733.15
  5. Step 5: Solve for x
    x = 211,975,070,733.15/680,816.44
  6. Step 6: Final answer
    x = 311,354.22

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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.