Home / 823,789.92-1,235,446.20-247,389.96

Finding the Fourth Proportional to 823,789.92, 1,235,446.20 and 247,389.96

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Solution

The fourth proportional to 823,789.92, 1,235,446.20 and 247,389.96 is: 371,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,789.92 : 1,235,446.20 = 247,389.96 : x
  2. Step 2: Convert to fraction form
    823,789.92/1,235,446.20 = 247,389.96/x
  3. Step 3: Cross multiply
    823,789.92x = 1,235,446.20 × 247,389.96
  4. Step 4: Simplify right side
    823,789.92x = 305,636,986,000.15
  5. Step 5: Solve for x
    x = 305,636,986,000.15/823,789.92
  6. Step 6: Final answer
    x = 371,013.26

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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.