Home / 980,707.04-1,471,145.20-270,735.15

Finding the Fourth Proportional to 980,707.04, 1,471,145.20 and 270,735.15

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Solution

The fourth proportional to 980,707.04, 1,471,145.20 and 270,735.15 is: 406,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,707.04 : 1,471,145.20 = 270,735.15 : x
  2. Step 2: Convert to fraction form
    980,707.04/1,471,145.20 = 270,735.15/x
  3. Step 3: Cross multiply
    980,707.04x = 1,471,145.20 × 270,735.15
  4. Step 4: Simplify right side
    980,707.04x = 398,290,715,716.94
  5. Step 5: Solve for x
    x = 398,290,715,716.94/980,707.04
  6. Step 6: Final answer
    x = 406,126.09

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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.