Home / 980,187.22-1,469,178.83-499,064.54

Finding the Fourth Proportional to 980,187.22, 1,469,178.83 and 499,064.54

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Solution

The fourth proportional to 980,187.22, 1,469,178.83 and 499,064.54 is: 748,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,187.22 : 1,469,178.83 = 499,064.54 : x
  2. Step 2: Convert to fraction form
    980,187.22/1,469,178.83 = 499,064.54/x
  3. Step 3: Cross multiply
    980,187.22x = 1,469,178.83 × 499,064.54
  4. Step 4: Simplify right side
    980,187.22x = 733,215,056,971.69
  5. Step 5: Solve for x
    x = 733,215,056,971.69/980,187.22
  6. Step 6: Final answer
    x = 748,035.72

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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.