Home / 843,998.64-1,266,141.93-311,522.46

Finding the Fourth Proportional to 843,998.64, 1,266,141.93 and 311,522.46

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Solution

The fourth proportional to 843,998.64, 1,266,141.93 and 311,522.46 is: 467,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,998.64 : 1,266,141.93 = 311,522.46 : x
  2. Step 2: Convert to fraction form
    843,998.64/1,266,141.93 = 311,522.46/x
  3. Step 3: Cross multiply
    843,998.64x = 1,266,141.93 × 311,522.46
  4. Step 4: Simplify right side
    843,998.64x = 394,431,644,578.82
  5. Step 5: Solve for x
    x = 394,431,644,578.82/843,998.64
  6. Step 6: Final answer
    x = 467,336.83

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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.