Home / 958,382.28-1,322,571.24-528,656.22

Finding the Fourth Proportional to 958,382.28, 1,322,571.24 and 528,656.22

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Solution

The fourth proportional to 958,382.28, 1,322,571.24 and 528,656.22 is: 729,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,382.28 : 1,322,571.24 = 528,656.22 : x
  2. Step 2: Convert to fraction form
    958,382.28/1,322,571.24 = 528,656.22/x
  3. Step 3: Cross multiply
    958,382.28x = 1,322,571.24 × 528,656.22
  4. Step 4: Simplify right side
    958,382.28x = 699,185,512,419.11
  5. Step 5: Solve for x
    x = 699,185,512,419.11/958,382.28
  6. Step 6: Final answer
    x = 729,547.62

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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.