Home / 566,720.22-782,072.67-308,593.15

Finding the Fourth Proportional to 566,720.22, 782,072.67 and 308,593.15

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Solution

The fourth proportional to 566,720.22, 782,072.67 and 308,593.15 is: 425,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,720.22 : 782,072.67 = 308,593.15 : x
  2. Step 2: Convert to fraction form
    566,720.22/782,072.67 = 308,593.15/x
  3. Step 3: Cross multiply
    566,720.22x = 782,072.67 × 308,593.15
  4. Step 4: Simplify right side
    566,720.22x = 241,342,268,764.21
  5. Step 5: Solve for x
    x = 241,342,268,764.21/566,720.22
  6. Step 6: Final answer
    x = 425,857.88

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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.