Home / 827,018.20-1,240,527.30-295,139.80

Finding the Fourth Proportional to 827,018.20, 1,240,527.30 and 295,139.80

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Solution

The fourth proportional to 827,018.20, 1,240,527.30 and 295,139.80 is: 442,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,018.20 : 1,240,527.30 = 295,139.80 : x
  2. Step 2: Convert to fraction form
    827,018.20/1,240,527.30 = 295,139.80/x
  3. Step 3: Cross multiply
    827,018.20x = 1,240,527.30 × 295,139.80
  4. Step 4: Simplify right side
    827,018.20x = 366,128,979,216.54
  5. Step 5: Solve for x
    x = 366,128,979,216.54/827,018.20
  6. Step 6: Final answer
    x = 442,709.70

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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.