Home / 746,748.24-1,120,123.20-185,782.80

Finding the Fourth Proportional to 746,748.24, 1,120,123.20 and 185,782.80

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Solution

The fourth proportional to 746,748.24, 1,120,123.20 and 185,782.80 is: 278,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,748.24 : 1,120,123.20 = 185,782.80 : x
  2. Step 2: Convert to fraction form
    746,748.24/1,120,123.20 = 185,782.80/x
  3. Step 3: Cross multiply
    746,748.24x = 1,120,123.20 × 185,782.80
  4. Step 4: Simplify right side
    746,748.24x = 208,099,624,440.96
  5. Step 5: Solve for x
    x = 208,099,624,440.96/746,748.24
  6. Step 6: Final answer
    x = 278,674.41

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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.