Home / 862,862.69-1,294,294.04-263,823.86

Finding the Fourth Proportional to 862,862.69, 1,294,294.04 and 263,823.86

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Solution

The fourth proportional to 862,862.69, 1,294,294.04 and 263,823.86 is: 395,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,862.69 : 1,294,294.04 = 263,823.86 : x
  2. Step 2: Convert to fraction form
    862,862.69/1,294,294.04 = 263,823.86/x
  3. Step 3: Cross multiply
    862,862.69x = 1,294,294.04 × 263,823.86
  4. Step 4: Simplify right side
    862,862.69x = 341,465,641,817.21
  5. Step 5: Solve for x
    x = 341,465,641,817.21/862,862.69
  6. Step 6: Final answer
    x = 395,735.78

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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.