Home / 851,517.72-1,277,375.40-282,949.56

Finding the Fourth Proportional to 851,517.72, 1,277,375.40 and 282,949.56

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Solution

The fourth proportional to 851,517.72, 1,277,375.40 and 282,949.56 is: 424,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,517.72 : 1,277,375.40 = 282,949.56 : x
  2. Step 2: Convert to fraction form
    851,517.72/1,277,375.40 = 282,949.56/x
  3. Step 3: Cross multiply
    851,517.72x = 1,277,375.40 × 282,949.56
  4. Step 4: Simplify right side
    851,517.72x = 361,432,807,384.82
  5. Step 5: Solve for x
    x = 361,432,807,384.82/851,517.72
  6. Step 6: Final answer
    x = 424,457.18

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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.