Home / 821,131.80-1,231,697.17-597,912.22

Finding the Fourth Proportional to 821,131.80, 1,231,697.17 and 597,912.22

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Solution

The fourth proportional to 821,131.80, 1,231,697.17 and 597,912.22 is: 896,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,131.80 : 1,231,697.17 = 597,912.22 : x
  2. Step 2: Convert to fraction form
    821,131.80/1,231,697.17 = 597,912.22/x
  3. Step 3: Cross multiply
    821,131.80x = 1,231,697.17 × 597,912.22
  4. Step 4: Simplify right side
    821,131.80x = 736,446,789,282.42
  5. Step 5: Solve for x
    x = 736,446,789,282.42/821,131.80
  6. Step 6: Final answer
    x = 896,867.94

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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.