Home / 844,189.02-1,266,299.73-311,435.82

Finding the Fourth Proportional to 844,189.02, 1,266,299.73 and 311,435.82

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Solution

The fourth proportional to 844,189.02, 1,266,299.73 and 311,435.82 is: 467,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,189.02 : 1,266,299.73 = 311,435.82 : x
  2. Step 2: Convert to fraction form
    844,189.02/1,266,299.73 = 311,435.82/x
  3. Step 3: Cross multiply
    844,189.02x = 1,266,299.73 × 311,435.82
  4. Step 4: Simplify right side
    844,189.02x = 394,371,094,778.33
  5. Step 5: Solve for x
    x = 394,371,094,778.33/844,189.02
  6. Step 6: Final answer
    x = 467,159.71

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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.