Home / 980,944.50-1,471,414.76-270,970.44

Finding the Fourth Proportional to 980,944.50, 1,471,414.76 and 270,970.44

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Solution

The fourth proportional to 980,944.50, 1,471,414.76 and 270,970.44 is: 406,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,944.50 : 1,471,414.76 = 270,970.44 : x
  2. Step 2: Convert to fraction form
    980,944.50/1,471,414.76 = 270,970.44/x
  3. Step 3: Cross multiply
    980,944.50x = 1,471,414.76 × 270,970.44
  4. Step 4: Simplify right side
    980,944.50x = 398,709,904,939.69
  5. Step 5: Solve for x
    x = 398,709,904,939.69/980,944.50
  6. Step 6: Final answer
    x = 406,455.11

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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.