Home / 980,047.44-1,470,121.38-270,059.76

Finding the Fourth Proportional to 980,047.44, 1,470,121.38 and 270,059.76

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Solution

The fourth proportional to 980,047.44, 1,470,121.38 and 270,059.76 is: 405,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,047.44 : 1,470,121.38 = 270,059.76 : x
  2. Step 2: Convert to fraction form
    980,047.44/1,470,121.38 = 270,059.76/x
  3. Step 3: Cross multiply
    980,047.44x = 1,470,121.38 × 270,059.76
  4. Step 4: Simplify right side
    980,047.44x = 397,020,627,053.67
  5. Step 5: Solve for x
    x = 397,020,627,053.67/980,047.44
  6. Step 6: Final answer
    x = 405,103.48

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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.