Home / 541,853.32-747,724.60-300,121.56

Finding the Fourth Proportional to 541,853.32, 747,724.60 and 300,121.56

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Solution

The fourth proportional to 541,853.32, 747,724.60 and 300,121.56 is: 414,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,853.32 : 747,724.60 = 300,121.56 : x
  2. Step 2: Convert to fraction form
    541,853.32/747,724.60 = 300,121.56/x
  3. Step 3: Cross multiply
    541,853.32x = 747,724.60 × 300,121.56
  4. Step 4: Simplify right side
    541,853.32x = 224,408,273,402.38
  5. Step 5: Solve for x
    x = 224,408,273,402.38/541,853.32
  6. Step 6: Final answer
    x = 414,149.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.