Home / 825,355.46-1,138,885.31-481,105.26

Finding the Fourth Proportional to 825,355.46, 1,138,885.31 and 481,105.26

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Solution

The fourth proportional to 825,355.46, 1,138,885.31 and 481,105.26 is: 663,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,355.46 : 1,138,885.31 = 481,105.26 : x
  2. Step 2: Convert to fraction form
    825,355.46/1,138,885.31 = 481,105.26/x
  3. Step 3: Cross multiply
    825,355.46x = 1,138,885.31 × 481,105.26
  4. Step 4: Simplify right side
    825,355.46x = 547,923,714,380.49
  5. Step 5: Solve for x
    x = 547,923,714,380.49/825,355.46
  6. Step 6: Final answer
    x = 663,863.92

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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.