Home / 823,253.95-1,234,171.23-318,169.27

Finding the Fourth Proportional to 823,253.95, 1,234,171.23 and 318,169.27

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Solution

The fourth proportional to 823,253.95, 1,234,171.23 and 318,169.27 is: 476,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,253.95 : 1,234,171.23 = 318,169.27 : x
  2. Step 2: Convert to fraction form
    823,253.95/1,234,171.23 = 318,169.27/x
  3. Step 3: Cross multiply
    823,253.95x = 1,234,171.23 × 318,169.27
  4. Step 4: Simplify right side
    823,253.95x = 392,675,359,304.10
  5. Step 5: Solve for x
    x = 392,675,359,304.10/823,253.95
  6. Step 6: Final answer
    x = 476,979.62

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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.