Home / 868,961.90-1,198,942.27-524,525.60

Finding the Fourth Proportional to 868,961.90, 1,198,942.27 and 524,525.60

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Solution

The fourth proportional to 868,961.90, 1,198,942.27 and 524,525.60 is: 723,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,961.90 : 1,198,942.27 = 524,525.60 : x
  2. Step 2: Convert to fraction form
    868,961.90/1,198,942.27 = 524,525.60/x
  3. Step 3: Cross multiply
    868,961.90x = 1,198,942.27 × 524,525.60
  4. Step 4: Simplify right side
    868,961.90x = 628,875,906,231.09
  5. Step 5: Solve for x
    x = 628,875,906,231.09/868,961.90
  6. Step 6: Final answer
    x = 723,709.42

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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.