Home / 827,200.20-1,240,800.30-295,321.80

Finding the Fourth Proportional to 827,200.20, 1,240,800.30 and 295,321.80

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Solution

The fourth proportional to 827,200.20, 1,240,800.30 and 295,321.80 is: 442,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,200.20 : 1,240,800.30 = 295,321.80 : x
  2. Step 2: Convert to fraction form
    827,200.20/1,240,800.30 = 295,321.80/x
  3. Step 3: Cross multiply
    827,200.20x = 1,240,800.30 × 295,321.80
  4. Step 4: Simplify right side
    827,200.20x = 366,435,378,036.54
  5. Step 5: Solve for x
    x = 366,435,378,036.54/827,200.20
  6. Step 6: Final answer
    x = 442,982.70

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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.