Home / 743,361.76-1,115,042.88-182,396.24

Finding the Fourth Proportional to 743,361.76, 1,115,042.88 and 182,396.24

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Solution

The fourth proportional to 743,361.76, 1,115,042.88 and 182,396.24 is: 273,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,361.76 : 1,115,042.88 = 182,396.24 : x
  2. Step 2: Convert to fraction form
    743,361.76/1,115,042.88 = 182,396.24/x
  3. Step 3: Cross multiply
    743,361.76x = 1,115,042.88 × 182,396.24
  4. Step 4: Simplify right side
    743,361.76x = 203,379,628,750.77
  5. Step 5: Solve for x
    x = 203,379,628,750.77/743,361.76
  6. Step 6: Final answer
    x = 273,594.42

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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.