Home / 784,954-1,177,459.62-279,552.16

Finding the Fourth Proportional to 784,954, 1,177,459.62 and 279,552.16

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Solution

The fourth proportional to 784,954, 1,177,459.62 and 279,552.16 is: 419,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,954 : 1,177,459.62 = 279,552.16 : x
  2. Step 2: Convert to fraction form
    784,954/1,177,459.62 = 279,552.16/x
  3. Step 3: Cross multiply
    784,954x = 1,177,459.62 × 279,552.16
  4. Step 4: Simplify right side
    784,954x = 329,161,380,083.78
  5. Step 5: Solve for x
    x = 329,161,380,083.78/784,954
  6. Step 6: Final answer
    x = 419,338.43

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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.