Home / 547,723.50-755,853.27-306,047.70

Finding the Fourth Proportional to 547,723.50, 755,853.27 and 306,047.70

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Solution

The fourth proportional to 547,723.50, 755,853.27 and 306,047.70 is: 422,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,723.50 : 755,853.27 = 306,047.70 : x
  2. Step 2: Convert to fraction form
    547,723.50/755,853.27 = 306,047.70/x
  3. Step 3: Cross multiply
    547,723.50x = 755,853.27 × 306,047.70
  4. Step 4: Simplify right side
    547,723.50x = 231,327,154,820.98
  5. Step 5: Solve for x
    x = 231,327,154,820.98/547,723.50
  6. Step 6: Final answer
    x = 422,342.94

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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.