Home / 851,085.54-1,276,815.12-252,093.60

Finding the Fourth Proportional to 851,085.54, 1,276,815.12 and 252,093.60

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Solution

The fourth proportional to 851,085.54, 1,276,815.12 and 252,093.60 is: 378,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,085.54 : 1,276,815.12 = 252,093.60 : x
  2. Step 2: Convert to fraction form
    851,085.54/1,276,815.12 = 252,093.60/x
  3. Step 3: Cross multiply
    851,085.54x = 1,276,815.12 × 252,093.60
  4. Step 4: Simplify right side
    851,085.54x = 321,876,920,135.23
  5. Step 5: Solve for x
    x = 321,876,920,135.23/851,085.54
  6. Step 6: Final answer
    x = 378,195.73

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1.5x scale

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.