Home / 609,399.22-913,538.94-209,945.02

Finding the Fourth Proportional to 609,399.22, 913,538.94 and 209,945.02

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Solution

The fourth proportional to 609,399.22, 913,538.94 and 209,945.02 is: 314,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,399.22 : 913,538.94 = 209,945.02 : x
  2. Step 2: Convert to fraction form
    609,399.22/913,538.94 = 209,945.02/x
  3. Step 3: Cross multiply
    609,399.22x = 913,538.94 × 209,945.02
  4. Step 4: Simplify right side
    609,399.22x = 191,792,951,029.08
  5. Step 5: Solve for x
    x = 191,792,951,029.08/609,399.22
  6. Step 6: Final answer
    x = 314,724.64

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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.