Home / 389,593.50-584,575.35-269,834.76

Finding the Fourth Proportional to 389,593.50, 584,575.35 and 269,834.76

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Solution

The fourth proportional to 389,593.50, 584,575.35 and 269,834.76 is: 404,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,593.50 : 584,575.35 = 269,834.76 : x
  2. Step 2: Convert to fraction form
    389,593.50/584,575.35 = 269,834.76/x
  3. Step 3: Cross multiply
    389,593.50x = 584,575.35 × 269,834.76
  4. Step 4: Simplify right side
    389,593.50x = 157,738,748,257.29
  5. Step 5: Solve for x
    x = 157,738,748,257.29/389,593.50
  6. Step 6: Final answer
    x = 404,880.34

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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.