Home / 958,388.20-1,322,559.30-528,709.48

Finding the Fourth Proportional to 958,388.20, 1,322,559.30 and 528,709.48

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Solution

The fourth proportional to 958,388.20, 1,322,559.30 and 528,709.48 is: 729,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,388.20 : 1,322,559.30 = 528,709.48 : x
  2. Step 2: Convert to fraction form
    958,388.20/1,322,559.30 = 528,709.48/x
  3. Step 3: Cross multiply
    958,388.20x = 1,322,559.30 × 528,709.48
  4. Step 4: Simplify right side
    958,388.20x = 699,249,639,772.16
  5. Step 5: Solve for x
    x = 699,249,639,772.16/958,388.20
  6. Step 6: Final answer
    x = 729,610.03

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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.