Home / 851,144.90-1,276,904.13-252,152.92

Finding the Fourth Proportional to 851,144.90, 1,276,904.13 and 252,152.92

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Solution

The fourth proportional to 851,144.90, 1,276,904.13 and 252,152.92 is: 378,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,144.90 : 1,276,904.13 = 252,152.92 : x
  2. Step 2: Convert to fraction form
    851,144.90/1,276,904.13 = 252,152.92/x
  3. Step 3: Cross multiply
    851,144.90x = 1,276,904.13 × 252,152.92
  4. Step 4: Simplify right side
    851,144.90x = 321,975,100,801.73
  5. Step 5: Solve for x
    x = 321,975,100,801.73/851,144.90
  6. Step 6: Final answer
    x = 378,284.71

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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.