Home / 824,589.24-1,236,020.66-345,091.78

Finding the Fourth Proportional to 824,589.24, 1,236,020.66 and 345,091.78

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Solution

The fourth proportional to 824,589.24, 1,236,020.66 and 345,091.78 is: 517,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,589.24 : 1,236,020.66 = 345,091.78 : x
  2. Step 2: Convert to fraction form
    824,589.24/1,236,020.66 = 345,091.78/x
  3. Step 3: Cross multiply
    824,589.24x = 1,236,020.66 × 345,091.78
  4. Step 4: Simplify right side
    824,589.24x = 426,540,569,676.18
  5. Step 5: Solve for x
    x = 426,540,569,676.18/824,589.24
  6. Step 6: Final answer
    x = 517,276.42

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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.