Home / 741,357.70-1,112,036.55-488,977.90

Finding the Fourth Proportional to 741,357.70, 1,112,036.55 and 488,977.90

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Solution

The fourth proportional to 741,357.70, 1,112,036.55 and 488,977.90 is: 733,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,357.70 : 1,112,036.55 = 488,977.90 : x
  2. Step 2: Convert to fraction form
    741,357.70/1,112,036.55 = 488,977.90/x
  3. Step 3: Cross multiply
    741,357.70x = 1,112,036.55 × 488,977.90
  4. Step 4: Simplify right side
    741,357.70x = 543,761,296,942.25
  5. Step 5: Solve for x
    x = 543,761,296,942.25/741,357.70
  6. Step 6: Final answer
    x = 733,466.85

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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.