Home / 958,660.71-1,322,950.78-528,940.80

Finding the Fourth Proportional to 958,660.71, 1,322,950.78 and 528,940.80

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Solution

The fourth proportional to 958,660.71, 1,322,950.78 and 528,940.80 is: 729,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,660.71 : 1,322,950.78 = 528,940.80 : x
  2. Step 2: Convert to fraction form
    958,660.71/1,322,950.78 = 528,940.80/x
  3. Step 3: Cross multiply
    958,660.71x = 1,322,950.78 × 528,940.80
  4. Step 4: Simplify right side
    958,660.71x = 699,762,643,933.82
  5. Step 5: Solve for x
    x = 699,762,643,933.82/958,660.71
  6. Step 6: Final answer
    x = 729,937.75

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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.