Home / 827,020.20-1,240,530.30-295,141.80

Finding the Fourth Proportional to 827,020.20, 1,240,530.30 and 295,141.80

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Solution

The fourth proportional to 827,020.20, 1,240,530.30 and 295,141.80 is: 442,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,020.20 : 1,240,530.30 = 295,141.80 : x
  2. Step 2: Convert to fraction form
    827,020.20/1,240,530.30 = 295,141.80/x
  3. Step 3: Cross multiply
    827,020.20x = 1,240,530.30 × 295,141.80
  4. Step 4: Simplify right side
    827,020.20x = 366,132,345,696.54
  5. Step 5: Solve for x
    x = 366,132,345,696.54/827,020.20
  6. Step 6: Final answer
    x = 442,712.70

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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.