Home / 945,836.55-1,305,229.82-516,121.83

Finding the Fourth Proportional to 945,836.55, 1,305,229.82 and 516,121.83

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Solution

The fourth proportional to 945,836.55, 1,305,229.82 and 516,121.83 is: 712,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,836.55 : 1,305,229.82 = 516,121.83 : x
  2. Step 2: Convert to fraction form
    945,836.55/1,305,229.82 = 516,121.83/x
  3. Step 3: Cross multiply
    945,836.55x = 1,305,229.82 × 516,121.83
  4. Step 4: Simplify right side
    945,836.55x = 673,657,600,688.36
  5. Step 5: Solve for x
    x = 673,657,600,688.36/945,836.55
  6. Step 6: Final answer
    x = 712,234.69

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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.