Home / 823,922.20-1,235,883.30-292,043.80

Finding the Fourth Proportional to 823,922.20, 1,235,883.30 and 292,043.80

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Solution

The fourth proportional to 823,922.20, 1,235,883.30 and 292,043.80 is: 438,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,922.20 : 1,235,883.30 = 292,043.80 : x
  2. Step 2: Convert to fraction form
    823,922.20/1,235,883.30 = 292,043.80/x
  3. Step 3: Cross multiply
    823,922.20x = 1,235,883.30 × 292,043.80
  4. Step 4: Simplify right side
    823,922.20x = 360,932,055,288.54
  5. Step 5: Solve for x
    x = 360,932,055,288.54/823,922.20
  6. Step 6: Final answer
    x = 438,065.70

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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.