Home / 980,986.47-1,471,465.11-270,998.79

Finding the Fourth Proportional to 980,986.47, 1,471,465.11 and 270,998.79

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Solution

The fourth proportional to 980,986.47, 1,471,465.11 and 270,998.79 is: 406,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,986.47 : 1,471,465.11 = 270,998.79 : x
  2. Step 2: Convert to fraction form
    980,986.47/1,471,465.11 = 270,998.79/x
  3. Step 3: Cross multiply
    980,986.47x = 1,471,465.11 × 270,998.79
  4. Step 4: Simplify right side
    980,986.47x = 398,765,264,337.22
  5. Step 5: Solve for x
    x = 398,765,264,337.22/980,986.47
  6. Step 6: Final answer
    x = 406,494.15

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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.