Home / 722,265.24-1,082,806.62-272,731.02

Finding the Fourth Proportional to 722,265.24, 1,082,806.62 and 272,731.02

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Solution

The fourth proportional to 722,265.24, 1,082,806.62 and 272,731.02 is: 408,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,265.24 : 1,082,806.62 = 272,731.02 : x
  2. Step 2: Convert to fraction form
    722,265.24/1,082,806.62 = 272,731.02/x
  3. Step 3: Cross multiply
    722,265.24x = 1,082,806.62 × 272,731.02
  4. Step 4: Simplify right side
    722,265.24x = 295,314,953,935.35
  5. Step 5: Solve for x
    x = 295,314,953,935.35/722,265.24
  6. Step 6: Final answer
    x = 408,873.27

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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.