Home / 746,752.24-1,120,129.20-185,786.80

Finding the Fourth Proportional to 746,752.24, 1,120,129.20 and 185,786.80

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Solution

The fourth proportional to 746,752.24, 1,120,129.20 and 185,786.80 is: 278,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,752.24 : 1,120,129.20 = 185,786.80 : x
  2. Step 2: Convert to fraction form
    746,752.24/1,120,129.20 = 185,786.80/x
  3. Step 3: Cross multiply
    746,752.24x = 1,120,129.20 × 185,786.80
  4. Step 4: Simplify right side
    746,752.24x = 208,105,219,654.56
  5. Step 5: Solve for x
    x = 208,105,219,654.56/746,752.24
  6. Step 6: Final answer
    x = 278,680.41

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Double scale
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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.