Home / 825,535.60-1,238,476.20-264,626.80

Finding the Fourth Proportional to 825,535.60, 1,238,476.20 and 264,626.80

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Solution

The fourth proportional to 825,535.60, 1,238,476.20 and 264,626.80 is: 396,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,535.60 : 1,238,476.20 = 264,626.80 : x
  2. Step 2: Convert to fraction form
    825,535.60/1,238,476.20 = 264,626.80/x
  3. Step 3: Cross multiply
    825,535.60x = 1,238,476.20 × 264,626.80
  4. Step 4: Simplify right side
    825,535.60x = 327,733,993,682.16
  5. Step 5: Solve for x
    x = 327,733,993,682.16/825,535.60
  6. Step 6: Final answer
    x = 396,995.59

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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.