Home / 851,734.10-1,277,728.75-275,164.73

Finding the Fourth Proportional to 851,734.10, 1,277,728.75 and 275,164.73

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Solution

The fourth proportional to 851,734.10, 1,277,728.75 and 275,164.73 is: 412,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,734.10 : 1,277,728.75 = 275,164.73 : x
  2. Step 2: Convert to fraction form
    851,734.10/1,277,728.75 = 275,164.73/x
  3. Step 3: Cross multiply
    851,734.10x = 1,277,728.75 × 275,164.73
  4. Step 4: Simplify right side
    851,734.10x = 351,585,886,506.99
  5. Step 5: Solve for x
    x = 351,585,886,506.99/851,734.10
  6. Step 6: Final answer
    x = 412,788.32

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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.