Home / 981,093.70-1,471,640.55-508,701.70

Finding the Fourth Proportional to 981,093.70, 1,471,640.55 and 508,701.70

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Solution

The fourth proportional to 981,093.70, 1,471,640.55 and 508,701.70 is: 763,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,093.70 : 1,471,640.55 = 508,701.70 : x
  2. Step 2: Convert to fraction form
    981,093.70/1,471,640.55 = 508,701.70/x
  3. Step 3: Cross multiply
    981,093.70x = 1,471,640.55 × 508,701.70
  4. Step 4: Simplify right side
    981,093.70x = 748,626,049,573.94
  5. Step 5: Solve for x
    x = 748,626,049,573.94/981,093.70
  6. Step 6: Final answer
    x = 763,052.55

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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.