Home / 981,213.80-1,471,043.10-537,981.80

Finding the Fourth Proportional to 981,213.80, 1,471,043.10 and 537,981.80

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Solution

The fourth proportional to 981,213.80, 1,471,043.10 and 537,981.80 is: 806,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,213.80 : 1,471,043.10 = 537,981.80 : x
  2. Step 2: Convert to fraction form
    981,213.80/1,471,043.10 = 537,981.80/x
  3. Step 3: Cross multiply
    981,213.80x = 1,471,043.10 × 537,981.80
  4. Step 4: Simplify right side
    981,213.80x = 791,394,414,815.58
  5. Step 5: Solve for x
    x = 791,394,414,815.58/981,213.80
  6. Step 6: Final answer
    x = 806,546.36

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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.