Home / 979,805.64-1,469,708.56-305,944.68

Finding the Fourth Proportional to 979,805.64, 1,469,708.56 and 305,944.68

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Solution

The fourth proportional to 979,805.64, 1,469,708.56 and 305,944.68 is: 458,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,805.64 : 1,469,708.56 = 305,944.68 : x
  2. Step 2: Convert to fraction form
    979,805.64/1,469,708.56 = 305,944.68/x
  3. Step 3: Cross multiply
    979,805.64x = 1,469,708.56 × 305,944.68
  4. Step 4: Simplify right side
    979,805.64x = 449,649,515,082.46
  5. Step 5: Solve for x
    x = 449,649,515,082.46/979,805.64
  6. Step 6: Final answer
    x = 458,917.05

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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.