Home / 990,692.28-1,367,132.21-582,820.38

Finding the Fourth Proportional to 990,692.28, 1,367,132.21 and 582,820.38

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Solution

The fourth proportional to 990,692.28, 1,367,132.21 and 582,820.38 is: 804,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,692.28 : 1,367,132.21 = 582,820.38 : x
  2. Step 2: Convert to fraction form
    990,692.28/1,367,132.21 = 582,820.38/x
  3. Step 3: Cross multiply
    990,692.28x = 1,367,132.21 × 582,820.38
  4. Step 4: Simplify right side
    990,692.28x = 796,792,514,142.44
  5. Step 5: Solve for x
    x = 796,792,514,142.44/990,692.28
  6. Step 6: Final answer
    x = 804,278.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.