Home / 857,744.20-1,286,616.30-226,721.80

Finding the Fourth Proportional to 857,744.20, 1,286,616.30 and 226,721.80

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Solution

The fourth proportional to 857,744.20, 1,286,616.30 and 226,721.80 is: 340,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,744.20 : 1,286,616.30 = 226,721.80 : x
  2. Step 2: Convert to fraction form
    857,744.20/1,286,616.30 = 226,721.80/x
  3. Step 3: Cross multiply
    857,744.20x = 1,286,616.30 × 226,721.80
  4. Step 4: Simplify right side
    857,744.20x = 291,703,963,445.34
  5. Step 5: Solve for x
    x = 291,703,963,445.34/857,744.20
  6. Step 6: Final answer
    x = 340,082.70

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Similar ratio
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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.