Home / 996,502.20-1,494,947.70-427,882.20

Finding the Fourth Proportional to 996,502.20, 1,494,947.70 and 427,882.20

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Solution

The fourth proportional to 996,502.20, 1,494,947.70 and 427,882.20 is: 641,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,502.20 : 1,494,947.70 = 427,882.20 : x
  2. Step 2: Convert to fraction form
    996,502.20/1,494,947.70 = 427,882.20/x
  3. Step 3: Cross multiply
    996,502.20x = 1,494,947.70 × 427,882.20
  4. Step 4: Simplify right side
    996,502.20x = 639,661,510,760.94
  5. Step 5: Solve for x
    x = 639,661,510,760.94/996,502.20
  6. Step 6: Final answer
    x = 641,906.77

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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.