Home / 857,841.12-1,286,766.54-226,748.25

Finding the Fourth Proportional to 857,841.12, 1,286,766.54 and 226,748.25

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Solution

The fourth proportional to 857,841.12, 1,286,766.54 and 226,748.25 is: 340,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,841.12 : 1,286,766.54 = 226,748.25 : x
  2. Step 2: Convert to fraction form
    857,841.12/1,286,766.54 = 226,748.25/x
  3. Step 3: Cross multiply
    857,841.12x = 1,286,766.54 × 226,748.25
  4. Step 4: Simplify right side
    857,841.12x = 291,772,061,103.56
  5. Step 5: Solve for x
    x = 291,772,061,103.56/857,841.12
  6. Step 6: Final answer
    x = 340,123.66

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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.