Home / 980,471.12-1,470,791.39-270,499.16

Finding the Fourth Proportional to 980,471.12, 1,470,791.39 and 270,499.16

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Solution

The fourth proportional to 980,471.12, 1,470,791.39 and 270,499.16 is: 405,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,471.12 : 1,470,791.39 = 270,499.16 : x
  2. Step 2: Convert to fraction form
    980,471.12/1,470,791.39 = 270,499.16/x
  3. Step 3: Cross multiply
    980,471.12x = 1,470,791.39 × 270,499.16
  4. Step 4: Simplify right side
    980,471.12x = 397,847,826,823.78
  5. Step 5: Solve for x
    x = 397,847,826,823.78/980,471.12
  6. Step 6: Final answer
    x = 405,772.10

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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.