Home / 863,021.97-1,294,768.05-263,969.85

Finding the Fourth Proportional to 863,021.97, 1,294,768.05 and 263,969.85

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Solution

The fourth proportional to 863,021.97, 1,294,768.05 and 263,969.85 is: 396,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,021.97 : 1,294,768.05 = 263,969.85 : x
  2. Step 2: Convert to fraction form
    863,021.97/1,294,768.05 = 263,969.85/x
  3. Step 3: Cross multiply
    863,021.97x = 1,294,768.05 × 263,969.85
  4. Step 4: Simplify right side
    863,021.97x = 341,779,727,943.29
  5. Step 5: Solve for x
    x = 341,779,727,943.29/863,021.97
  6. Step 6: Final answer
    x = 396,026.68

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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.