Home / 725,087.55-1,087,631.33-305,183.55

Finding the Fourth Proportional to 725,087.55, 1,087,631.33 and 305,183.55

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Solution

The fourth proportional to 725,087.55, 1,087,631.33 and 305,183.55 is: 457,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,087.55 : 1,087,631.33 = 305,183.55 : x
  2. Step 2: Convert to fraction form
    725,087.55/1,087,631.33 = 305,183.55/x
  3. Step 3: Cross multiply
    725,087.55x = 1,087,631.33 × 305,183.55
  4. Step 4: Simplify right side
    725,087.55x = 331,927,188,854.70
  5. Step 5: Solve for x
    x = 331,927,188,854.70/725,087.55
  6. Step 6: Final answer
    x = 457,775.33

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Similar ratio
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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.