Home / 827,284.20-1,240,926.30-295,405.80

Finding the Fourth Proportional to 827,284.20, 1,240,926.30 and 295,405.80

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Solution

The fourth proportional to 827,284.20, 1,240,926.30 and 295,405.80 is: 443,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,284.20 : 1,240,926.30 = 295,405.80 : x
  2. Step 2: Convert to fraction form
    827,284.20/1,240,926.30 = 295,405.80/x
  3. Step 3: Cross multiply
    827,284.20x = 1,240,926.30 × 295,405.80
  4. Step 4: Simplify right side
    827,284.20x = 366,576,826,392.54
  5. Step 5: Solve for x
    x = 366,576,826,392.54/827,284.20
  6. Step 6: Final answer
    x = 443,108.70

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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.