Home / 747,414.72-1,120,455.45-273,989.57

Finding the Fourth Proportional to 747,414.72, 1,120,455.45 and 273,989.57

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Solution

The fourth proportional to 747,414.72, 1,120,455.45 and 273,989.57 is: 410,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,414.72 : 1,120,455.45 = 273,989.57 : x
  2. Step 2: Convert to fraction form
    747,414.72/1,120,455.45 = 273,989.57/x
  3. Step 3: Cross multiply
    747,414.72x = 1,120,455.45 × 273,989.57
  4. Step 4: Simplify right side
    747,414.72x = 306,993,106,949.66
  5. Step 5: Solve for x
    x = 306,993,106,949.66/747,414.72
  6. Step 6: Final answer
    x = 410,739.98

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Double scale
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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.