Home / 980,114.96-1,469,791.74-380,996.84

Finding the Fourth Proportional to 980,114.96, 1,469,791.74 and 380,996.84

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Solution

The fourth proportional to 980,114.96, 1,469,791.74 and 380,996.84 is: 571,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,114.96 : 1,469,791.74 = 380,996.84 : x
  2. Step 2: Convert to fraction form
    980,114.96/1,469,791.74 = 380,996.84/x
  3. Step 3: Cross multiply
    980,114.96x = 1,469,791.74 × 380,996.84
  4. Step 4: Simplify right side
    980,114.96x = 559,986,008,398.10
  5. Step 5: Solve for x
    x = 559,986,008,398.10/980,114.96
  6. Step 6: Final answer
    x = 571,347.27

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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.