Home / 481,227.42-721,435.20-303,342.36

Finding the Fourth Proportional to 481,227.42, 721,435.20 and 303,342.36

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Solution

The fourth proportional to 481,227.42, 721,435.20 and 303,342.36 is: 454,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,227.42 : 721,435.20 = 303,342.36 : x
  2. Step 2: Convert to fraction form
    481,227.42/721,435.20 = 303,342.36/x
  3. Step 3: Cross multiply
    481,227.42x = 721,435.20 × 303,342.36
  4. Step 4: Simplify right side
    481,227.42x = 218,841,856,155.07
  5. Step 5: Solve for x
    x = 218,841,856,155.07/481,227.42
  6. Step 6: Final answer
    x = 454,757.66

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1.5x scale

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.