Home / 981,035.96-1,471,512.62-341,485.47

Finding the Fourth Proportional to 981,035.96, 1,471,512.62 and 341,485.47

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Solution

The fourth proportional to 981,035.96, 1,471,512.62 and 341,485.47 is: 512,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,035.96 : 1,471,512.62 = 341,485.47 : x
  2. Step 2: Convert to fraction form
    981,035.96/1,471,512.62 = 341,485.47/x
  3. Step 3: Cross multiply
    981,035.96x = 1,471,512.62 × 341,485.47
  4. Step 4: Simplify right side
    981,035.96x = 502,500,179,505.35
  5. Step 5: Solve for x
    x = 502,500,179,505.35/981,035.96
  6. Step 6: Final answer
    x = 512,213.83

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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.