Home / 829,076.60-1,243,614.90-268,167.80

Finding the Fourth Proportional to 829,076.60, 1,243,614.90 and 268,167.80

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Solution

The fourth proportional to 829,076.60, 1,243,614.90 and 268,167.80 is: 402,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076.60 : 1,243,614.90 = 268,167.80 : x
  2. Step 2: Convert to fraction form
    829,076.60/1,243,614.90 = 268,167.80/x
  3. Step 3: Cross multiply
    829,076.60x = 1,243,614.90 × 268,167.80
  4. Step 4: Simplify right side
    829,076.60x = 333,497,471,780.22
  5. Step 5: Solve for x
    x = 333,497,471,780.22/829,076.60
  6. Step 6: Final answer
    x = 402,251.70

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Similar ratio
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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.