Home / 681,799.25-1,022,846.50-261,075.13

Finding the Fourth Proportional to 681,799.25, 1,022,846.50 and 261,075.13

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Solution

The fourth proportional to 681,799.25, 1,022,846.50 and 261,075.13 is: 391,669.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,799.25 : 1,022,846.50 = 261,075.13 : x
  2. Step 2: Convert to fraction form
    681,799.25/1,022,846.50 = 261,075.13/x
  3. Step 3: Cross multiply
    681,799.25x = 1,022,846.50 × 261,075.13
  4. Step 4: Simplify right side
    681,799.25x = 267,039,782,957.55
  5. Step 5: Solve for x
    x = 267,039,782,957.55/681,799.25
  6. Step 6: Final answer
    x = 391,669.22

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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.