Home / 980,471.48-1,470,791.97-270,499.55

Finding the Fourth Proportional to 980,471.48, 1,470,791.97 and 270,499.55

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Solution

The fourth proportional to 980,471.48, 1,470,791.97 and 270,499.55 is: 405,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,471.48 : 1,470,791.97 = 270,499.55 : x
  2. Step 2: Convert to fraction form
    980,471.48/1,470,791.97 = 270,499.55/x
  3. Step 3: Cross multiply
    980,471.48x = 1,470,791.97 × 270,499.55
  4. Step 4: Simplify right side
    980,471.48x = 397,848,558,674.65
  5. Step 5: Solve for x
    x = 397,848,558,674.65/980,471.48
  6. Step 6: Final answer
    x = 405,772.70

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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.