Home / 481,629.96-722,235.46-256,940.28

Finding the Fourth Proportional to 481,629.96, 722,235.46 and 256,940.28

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Solution

The fourth proportional to 481,629.96, 722,235.46 and 256,940.28 is: 385,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,629.96 : 722,235.46 = 256,940.28 : x
  2. Step 2: Convert to fraction form
    481,629.96/722,235.46 = 256,940.28/x
  3. Step 3: Cross multiply
    481,629.96x = 722,235.46 × 256,940.28
  4. Step 4: Simplify right side
    481,629.96x = 185,571,381,318.33
  5. Step 5: Solve for x
    x = 185,571,381,318.33/481,629.96
  6. Step 6: Final answer
    x = 385,298.67

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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.