Home / 743,451.75-1,115,738.46-344,372.52

Finding the Fourth Proportional to 743,451.75, 1,115,738.46 and 344,372.52

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Solution

The fourth proportional to 743,451.75, 1,115,738.46 and 344,372.52 is: 516,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,451.75 : 1,115,738.46 = 344,372.52 : x
  2. Step 2: Convert to fraction form
    743,451.75/1,115,738.46 = 344,372.52/x
  3. Step 3: Cross multiply
    743,451.75x = 1,115,738.46 × 344,372.52
  4. Step 4: Simplify right side
    743,451.75x = 384,229,665,131.12
  5. Step 5: Solve for x
    x = 384,229,665,131.12/743,451.75
  6. Step 6: Final answer
    x = 516,818.56

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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.