Home / 994,362.75-1,491,603.07-311,377.34

Finding the Fourth Proportional to 994,362.75, 1,491,603.07 and 311,377.34

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Solution

The fourth proportional to 994,362.75, 1,491,603.07 and 311,377.34 is: 467,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,362.75 : 1,491,603.07 = 311,377.34 : x
  2. Step 2: Convert to fraction form
    994,362.75/1,491,603.07 = 311,377.34/x
  3. Step 3: Cross multiply
    994,362.75x = 1,491,603.07 × 311,377.34
  4. Step 4: Simplify right side
    994,362.75x = 464,451,400,390.66
  5. Step 5: Solve for x
    x = 464,451,400,390.66/994,362.75
  6. Step 6: Final answer
    x = 467,084.47

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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.