Home / 891,076.80-1,336,615.20-226,228.80

Finding the Fourth Proportional to 891,076.80, 1,336,615.20 and 226,228.80

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Solution

The fourth proportional to 891,076.80, 1,336,615.20 and 226,228.80 is: 339,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,076.80 : 1,336,615.20 = 226,228.80 : x
  2. Step 2: Convert to fraction form
    891,076.80/1,336,615.20 = 226,228.80/x
  3. Step 3: Cross multiply
    891,076.80x = 1,336,615.20 × 226,228.80
  4. Step 4: Simplify right side
    891,076.80x = 302,380,852,757.76
  5. Step 5: Solve for x
    x = 302,380,852,757.76/891,076.80
  6. Step 6: Final answer
    x = 339,343.20

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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.