Home / 681,821.58-1,022,725.60-261,097.46

Finding the Fourth Proportional to 681,821.58, 1,022,725.60 and 261,097.46

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Solution

The fourth proportional to 681,821.58, 1,022,725.60 and 261,097.46 is: 391,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,821.58 : 1,022,725.60 = 261,097.46 : x
  2. Step 2: Convert to fraction form
    681,821.58/1,022,725.60 = 261,097.46/x
  3. Step 3: Cross multiply
    681,821.58x = 1,022,725.60 × 261,097.46
  4. Step 4: Simplify right side
    681,821.58x = 267,031,056,436.98
  5. Step 5: Solve for x
    x = 267,031,056,436.98/681,821.58
  6. Step 6: Final answer
    x = 391,643.60

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1.5x scale

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.