Home / 851,144.97-1,276,904.22-252,152.98

Finding the Fourth Proportional to 851,144.97, 1,276,904.22 and 252,152.98

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Solution

The fourth proportional to 851,144.97, 1,276,904.22 and 252,152.98 is: 378,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,144.97 : 1,276,904.22 = 252,152.98 : x
  2. Step 2: Convert to fraction form
    851,144.97/1,276,904.22 = 252,152.98/x
  3. Step 3: Cross multiply
    851,144.97x = 1,276,904.22 × 252,152.98
  4. Step 4: Simplify right side
    851,144.97x = 321,975,204,247.58
  5. Step 5: Solve for x
    x = 321,975,204,247.58/851,144.97
  6. Step 6: Final answer
    x = 378,284.80

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Double scale
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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.