Home / 547,273.43-820,352.06-310,115.15

Finding the Fourth Proportional to 547,273.43, 820,352.06 and 310,115.15

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Solution

The fourth proportional to 547,273.43, 820,352.06 and 310,115.15 is: 464,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,273.43 : 820,352.06 = 310,115.15 : x
  2. Step 2: Convert to fraction form
    547,273.43/820,352.06 = 310,115.15/x
  3. Step 3: Cross multiply
    547,273.43x = 820,352.06 × 310,115.15
  4. Step 4: Simplify right side
    547,273.43x = 254,403,600,589.13
  5. Step 5: Solve for x
    x = 254,403,600,589.13/547,273.43
  6. Step 6: Final answer
    x = 464,856.48

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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.