Home / 857,611.62-1,286,279.40-250,257.34

Finding the Fourth Proportional to 857,611.62, 1,286,279.40 and 250,257.34

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Solution

The fourth proportional to 857,611.62, 1,286,279.40 and 250,257.34 is: 375,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,611.62 : 1,286,279.40 = 250,257.34 : x
  2. Step 2: Convert to fraction form
    857,611.62/1,286,279.40 = 250,257.34/x
  3. Step 3: Cross multiply
    857,611.62x = 1,286,279.40 × 250,257.34
  4. Step 4: Simplify right side
    857,611.62x = 321,900,858,863.56
  5. Step 5: Solve for x
    x = 321,900,858,863.56/857,611.62
  6. Step 6: Final answer
    x = 375,345.73

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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.