Home / 985,274.80-1,477,912.20-512,882.80

Finding the Fourth Proportional to 985,274.80, 1,477,912.20 and 512,882.80

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Solution

The fourth proportional to 985,274.80, 1,477,912.20 and 512,882.80 is: 769,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,274.80 : 1,477,912.20 = 512,882.80 : x
  2. Step 2: Convert to fraction form
    985,274.80/1,477,912.20 = 512,882.80/x
  3. Step 3: Cross multiply
    985,274.80x = 1,477,912.20 × 512,882.80
  4. Step 4: Simplify right side
    985,274.80x = 757,995,747,290.16
  5. Step 5: Solve for x
    x = 757,995,747,290.16/985,274.80
  6. Step 6: Final answer
    x = 769,324.20

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Similar ratio
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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.