Home / 727,183.98-1,090,783.26-253,881.54

Finding the Fourth Proportional to 727,183.98, 1,090,783.26 and 253,881.54

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Solution

The fourth proportional to 727,183.98, 1,090,783.26 and 253,881.54 is: 380,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,183.98 : 1,090,783.26 = 253,881.54 : x
  2. Step 2: Convert to fraction form
    727,183.98/1,090,783.26 = 253,881.54/x
  3. Step 3: Cross multiply
    727,183.98x = 1,090,783.26 × 253,881.54
  4. Step 4: Simplify right side
    727,183.98x = 276,929,733,855.02
  5. Step 5: Solve for x
    x = 276,929,733,855.02/727,183.98
  6. Step 6: Final answer
    x = 380,824.86

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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.