Home / 994,363.75-1,491,604.57-311,378.34

Finding the Fourth Proportional to 994,363.75, 1,491,604.57 and 311,378.34

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Solution

The fourth proportional to 994,363.75, 1,491,604.57 and 311,378.34 is: 467,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,363.75 : 1,491,604.57 = 311,378.34 : x
  2. Step 2: Convert to fraction form
    994,363.75/1,491,604.57 = 311,378.34/x
  3. Step 3: Cross multiply
    994,363.75x = 1,491,604.57 × 311,378.34
  4. Step 4: Simplify right side
    994,363.75x = 464,453,354,943.01
  5. Step 5: Solve for x
    x = 464,453,354,943.01/994,363.75
  6. Step 6: Final answer
    x = 467,085.97

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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.