Home / 823,772.40-1,234,103.40-423,049.20

Finding the Fourth Proportional to 823,772.40, 1,234,103.40 and 423,049.20

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Solution

The fourth proportional to 823,772.40, 1,234,103.40 and 423,049.20 is: 633,775.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,772.40 : 1,234,103.40 = 423,049.20 : x
  2. Step 2: Convert to fraction form
    823,772.40/1,234,103.40 = 423,049.20/x
  3. Step 3: Cross multiply
    823,772.40x = 1,234,103.40 × 423,049.20
  4. Step 4: Simplify right side
    823,772.40x = 522,086,456,087.28
  5. Step 5: Solve for x
    x = 522,086,456,087.28/823,772.40
  6. Step 6: Final answer
    x = 633,775.13

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1.5x scale

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.