Home / 609,056.28-913,645.26-209,644.20

Finding the Fourth Proportional to 609,056.28, 913,645.26 and 209,644.20

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Solution

The fourth proportional to 609,056.28, 913,645.26 and 209,644.20 is: 314,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,056.28 : 913,645.26 = 209,644.20 : x
  2. Step 2: Convert to fraction form
    609,056.28/913,645.26 = 209,644.20/x
  3. Step 3: Cross multiply
    609,056.28x = 913,645.26 × 209,644.20
  4. Step 4: Simplify right side
    609,056.28x = 191,540,429,616.49
  5. Step 5: Solve for x
    x = 191,540,429,616.49/609,056.28
  6. Step 6: Final answer
    x = 314,487.24

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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.