Home / 727,220.75-1,090,949.30-214,937.87

Finding the Fourth Proportional to 727,220.75, 1,090,949.30 and 214,937.87

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Solution

The fourth proportional to 727,220.75, 1,090,949.30 and 214,937.87 is: 322,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,220.75 : 1,090,949.30 = 214,937.87 : x
  2. Step 2: Convert to fraction form
    727,220.75/1,090,949.30 = 214,937.87/x
  3. Step 3: Cross multiply
    727,220.75x = 1,090,949.30 × 214,937.87
  4. Step 4: Simplify right side
    727,220.75x = 234,486,318,819.99
  5. Step 5: Solve for x
    x = 234,486,318,819.99/727,220.75
  6. Step 6: Final answer
    x = 322,441.73

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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.