Home / 818,201.37-1,227,495.24-257,235.87

Finding the Fourth Proportional to 818,201.37, 1,227,495.24 and 257,235.87

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Solution

The fourth proportional to 818,201.37, 1,227,495.24 and 257,235.87 is: 385,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,201.37 : 1,227,495.24 = 257,235.87 : x
  2. Step 2: Convert to fraction form
    818,201.37/1,227,495.24 = 257,235.87/x
  3. Step 3: Cross multiply
    818,201.37x = 1,227,495.24 × 257,235.87
  4. Step 4: Simplify right side
    818,201.37x = 315,755,805,982.26
  5. Step 5: Solve for x
    x = 315,755,805,982.26/818,201.37
  6. Step 6: Final answer
    x = 385,914.54

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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.