Home / 681,276.84-1,022,065.38-207,999.24

Finding the Fourth Proportional to 681,276.84, 1,022,065.38 and 207,999.24

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Solution

The fourth proportional to 681,276.84, 1,022,065.38 and 207,999.24 is: 312,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,276.84 : 1,022,065.38 = 207,999.24 : x
  2. Step 2: Convert to fraction form
    681,276.84/1,022,065.38 = 207,999.24/x
  3. Step 3: Cross multiply
    681,276.84x = 1,022,065.38 × 207,999.24
  4. Step 4: Simplify right side
    681,276.84x = 212,588,822,270.31
  5. Step 5: Solve for x
    x = 212,588,822,270.31/681,276.84
  6. Step 6: Final answer
    x = 312,044.69

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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.