Home / 980,201.70-1,469,731.71-380,462.24

Finding the Fourth Proportional to 980,201.70, 1,469,731.71 and 380,462.24

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Solution

The fourth proportional to 980,201.70, 1,469,731.71 and 380,462.24 is: 570,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,201.70 : 1,469,731.71 = 380,462.24 : x
  2. Step 2: Convert to fraction form
    980,201.70/1,469,731.71 = 380,462.24/x
  3. Step 3: Cross multiply
    980,201.70x = 1,469,731.71 × 380,462.24
  4. Step 4: Simplify right side
    980,201.70x = 559,177,411,236.97
  5. Step 5: Solve for x
    x = 559,177,411,236.97/980,201.70
  6. Step 6: Final answer
    x = 570,471.78

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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.