Home / 823,011.20-1,233,648.37-443,828.73

Finding the Fourth Proportional to 823,011.20, 1,233,648.37 and 443,828.73

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Solution

The fourth proportional to 823,011.20, 1,233,648.37 and 443,828.73 is: 665,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,011.20 : 1,233,648.37 = 443,828.73 : x
  2. Step 2: Convert to fraction form
    823,011.20/1,233,648.37 = 443,828.73/x
  3. Step 3: Cross multiply
    823,011.20x = 1,233,648.37 × 443,828.73
  4. Step 4: Simplify right side
    823,011.20x = 547,528,589,323.67
  5. Step 5: Solve for x
    x = 547,528,589,323.67/823,011.20
  6. Step 6: Final answer
    x = 665,274.77

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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.