Home / 743,563.73-1,115,343.30-211,085.12

Finding the Fourth Proportional to 743,563.73, 1,115,343.30 and 211,085.12

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Solution

The fourth proportional to 743,563.73, 1,115,343.30 and 211,085.12 is: 316,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,563.73 : 1,115,343.30 = 211,085.12 : x
  2. Step 2: Convert to fraction form
    743,563.73/1,115,343.30 = 211,085.12/x
  3. Step 3: Cross multiply
    743,563.73x = 1,115,343.30 × 211,085.12
  4. Step 4: Simplify right side
    743,563.73x = 235,432,374,321.70
  5. Step 5: Solve for x
    x = 235,432,374,321.70/743,563.73
  6. Step 6: Final answer
    x = 316,627.03

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Double scale
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Similar ratio
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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.