Home / 799,138.81-1,102,850.93-454,981.56

Finding the Fourth Proportional to 799,138.81, 1,102,850.93 and 454,981.56

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Solution

The fourth proportional to 799,138.81, 1,102,850.93 and 454,981.56 is: 627,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,138.81 : 1,102,850.93 = 454,981.56 : x
  2. Step 2: Convert to fraction form
    799,138.81/1,102,850.93 = 454,981.56/x
  3. Step 3: Cross multiply
    799,138.81x = 1,102,850.93 × 454,981.56
  4. Step 4: Simplify right side
    799,138.81x = 501,776,836,578.85
  5. Step 5: Solve for x
    x = 501,776,836,578.85/799,138.81
  6. Step 6: Final answer
    x = 627,896.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.