Home / 827,229.58-1,240,456.85-347,354.97

Finding the Fourth Proportional to 827,229.58, 1,240,456.85 and 347,354.97

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Solution

The fourth proportional to 827,229.58, 1,240,456.85 and 347,354.97 is: 520,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,229.58 : 1,240,456.85 = 347,354.97 : x
  2. Step 2: Convert to fraction form
    827,229.58/1,240,456.85 = 347,354.97/x
  3. Step 3: Cross multiply
    827,229.58x = 1,240,456.85 × 347,354.97
  4. Step 4: Simplify right side
    827,229.58x = 430,878,846,832.14
  5. Step 5: Solve for x
    x = 430,878,846,832.14/827,229.58
  6. Step 6: Final answer
    x = 520,869.73

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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.