Home / 807,624.50-1,114,544.85-449,951.54

Finding the Fourth Proportional to 807,624.50, 1,114,544.85 and 449,951.54

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Solution

The fourth proportional to 807,624.50, 1,114,544.85 and 449,951.54 is: 620,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,624.50 : 1,114,544.85 = 449,951.54 : x
  2. Step 2: Convert to fraction form
    807,624.50/1,114,544.85 = 449,951.54/x
  3. Step 3: Cross multiply
    807,624.50x = 1,114,544.85 × 449,951.54
  4. Step 4: Simplify right side
    807,624.50x = 501,491,171,656.57
  5. Step 5: Solve for x
    x = 501,491,171,656.57/807,624.50
  6. Step 6: Final answer
    x = 620,945.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.