Home / 825,536.60-1,238,477.70-264,627.80

Finding the Fourth Proportional to 825,536.60, 1,238,477.70 and 264,627.80

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Solution

The fourth proportional to 825,536.60, 1,238,477.70 and 264,627.80 is: 396,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,536.60 : 1,238,477.70 = 264,627.80 : x
  2. Step 2: Convert to fraction form
    825,536.60/1,238,477.70 = 264,627.80/x
  3. Step 3: Cross multiply
    825,536.60x = 1,238,477.70 × 264,627.80
  4. Step 4: Simplify right side
    825,536.60x = 327,735,629,100.06
  5. Step 5: Solve for x
    x = 327,735,629,100.06/825,536.60
  6. Step 6: Final answer
    x = 396,997.09

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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.