Home / 958,391.28-1,322,583.66-528,665.22

Finding the Fourth Proportional to 958,391.28, 1,322,583.66 and 528,665.22

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Solution

The fourth proportional to 958,391.28, 1,322,583.66 and 528,665.22 is: 729,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,391.28 : 1,322,583.66 = 528,665.22 : x
  2. Step 2: Convert to fraction form
    958,391.28/1,322,583.66 = 528,665.22/x
  3. Step 3: Cross multiply
    958,391.28x = 1,322,583.66 × 528,665.22
  4. Step 4: Simplify right side
    958,391.28x = 699,203,981,582.31
  5. Step 5: Solve for x
    x = 699,203,981,582.31/958,391.28
  6. Step 6: Final answer
    x = 729,560.04

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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.