Home / 829,939.46-1,145,305.22-467,367.80

Finding the Fourth Proportional to 829,939.46, 1,145,305.22 and 467,367.80

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Solution

The fourth proportional to 829,939.46, 1,145,305.22 and 467,367.80 is: 644,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,939.46 : 1,145,305.22 = 467,367.80 : x
  2. Step 2: Convert to fraction form
    829,939.46/1,145,305.22 = 467,367.80/x
  3. Step 3: Cross multiply
    829,939.46x = 1,145,305.22 × 467,367.80
  4. Step 4: Simplify right side
    829,939.46x = 535,278,780,999.92
  5. Step 5: Solve for x
    x = 535,278,780,999.92/829,939.46
  6. Step 6: Final answer
    x = 644,961.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.