Home / 547,447.23-820,561.06-227,420.79

Finding the Fourth Proportional to 547,447.23, 820,561.06 and 227,420.79

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Solution

The fourth proportional to 547,447.23, 820,561.06 and 227,420.79 is: 340,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,447.23 : 820,561.06 = 227,420.79 : x
  2. Step 2: Convert to fraction form
    547,447.23/820,561.06 = 227,420.79/x
  3. Step 3: Cross multiply
    547,447.23x = 820,561.06 × 227,420.79
  4. Step 4: Simplify right side
    547,447.23x = 186,612,644,508.44
  5. Step 5: Solve for x
    x = 186,612,644,508.44/547,447.23
  6. Step 6: Final answer
    x = 340,877.87

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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.