Home / 609,402.56-913,544.04-209,948.36

Finding the Fourth Proportional to 609,402.56, 913,544.04 and 209,948.36

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Solution

The fourth proportional to 609,402.56, 913,544.04 and 209,948.36 is: 314,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,402.56 : 913,544.04 = 209,948.36 : x
  2. Step 2: Convert to fraction form
    609,402.56/913,544.04 = 209,948.36/x
  3. Step 3: Cross multiply
    609,402.56x = 913,544.04 × 209,948.36
  4. Step 4: Simplify right side
    609,402.56x = 191,797,068,418.05
  5. Step 5: Solve for x
    x = 191,797,068,418.05/609,402.56
  6. Step 6: Final answer
    x = 314,729.68

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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.