Home / 609,400.22-913,540.44-209,946.02

Finding the Fourth Proportional to 609,400.22, 913,540.44 and 209,946.02

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Solution

The fourth proportional to 609,400.22, 913,540.44 and 209,946.02 is: 314,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,400.22 : 913,540.44 = 209,946.02 : x
  2. Step 2: Convert to fraction form
    609,400.22/913,540.44 = 209,946.02/x
  3. Step 3: Cross multiply
    609,400.22x = 913,540.44 × 209,946.02
  4. Step 4: Simplify right side
    609,400.22x = 191,794,179,487.05
  5. Step 5: Solve for x
    x = 191,794,179,487.05/609,400.22
  6. Step 6: Final answer
    x = 314,726.14

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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.