Home / 958,659.71-1,322,949.40-528,939.80

Finding the Fourth Proportional to 958,659.71, 1,322,949.40 and 528,939.80

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Solution

The fourth proportional to 958,659.71, 1,322,949.40 and 528,939.80 is: 729,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,659.71 : 1,322,949.40 = 528,939.80 : x
  2. Step 2: Convert to fraction form
    958,659.71/1,322,949.40 = 528,939.80/x
  3. Step 3: Cross multiply
    958,659.71x = 1,322,949.40 × 528,939.80
  4. Step 4: Simplify right side
    958,659.71x = 699,760,583,109.02
  5. Step 5: Solve for x
    x = 699,760,583,109.02/958,659.71
  6. Step 6: Final answer
    x = 729,936.37

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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.