Home / 743,563.48-1,115,342.92-211,084.87

Finding the Fourth Proportional to 743,563.48, 1,115,342.92 and 211,084.87

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Solution

The fourth proportional to 743,563.48, 1,115,342.92 and 211,084.87 is: 316,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,563.48 : 1,115,342.92 = 211,084.87 : x
  2. Step 2: Convert to fraction form
    743,563.48/1,115,342.92 = 211,084.87/x
  3. Step 3: Cross multiply
    743,563.48x = 1,115,342.92 × 211,084.87
  4. Step 4: Simplify right side
    743,563.48x = 235,432,015,273.62
  5. Step 5: Solve for x
    x = 235,432,015,273.62/743,563.48
  6. Step 6: Final answer
    x = 316,626.65

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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.