Home / 827,500.80-1,243,576.32-490,589.28

Finding the Fourth Proportional to 827,500.80, 1,243,576.32 and 490,589.28

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Solution

The fourth proportional to 827,500.80, 1,243,576.32 and 490,589.28 is: 737,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,500.80 : 1,243,576.32 = 490,589.28 : x
  2. Step 2: Convert to fraction form
    827,500.80/1,243,576.32 = 490,589.28/x
  3. Step 3: Cross multiply
    827,500.80x = 1,243,576.32 × 490,589.28
  4. Step 4: Simplify right side
    827,500.80x = 610,085,211,453.85
  5. Step 5: Solve for x
    x = 610,085,211,453.85/827,500.80
  6. Step 6: Final answer
    x = 737,262.38

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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.