Home / 741,701.85-1,112,552.78-505,505.85

Finding the Fourth Proportional to 741,701.85, 1,112,552.78 and 505,505.85

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Solution

The fourth proportional to 741,701.85, 1,112,552.78 and 505,505.85 is: 758,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,701.85 : 1,112,552.78 = 505,505.85 : x
  2. Step 2: Convert to fraction form
    741,701.85/1,112,552.78 = 505,505.85/x
  3. Step 3: Cross multiply
    741,701.85x = 1,112,552.78 × 505,505.85
  4. Step 4: Simplify right side
    741,701.85x = 562,401,936,196.23
  5. Step 5: Solve for x
    x = 562,401,936,196.23/741,701.85
  6. Step 6: Final answer
    x = 758,258.78

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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.