Home / 726,611.66-1,088,921.03-459,896.07

Finding the Fourth Proportional to 726,611.66, 1,088,921.03 and 459,896.07

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Solution

The fourth proportional to 726,611.66, 1,088,921.03 and 459,896.07 is: 689,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,611.66 : 1,088,921.03 = 459,896.07 : x
  2. Step 2: Convert to fraction form
    726,611.66/1,088,921.03 = 459,896.07/x
  3. Step 3: Cross multiply
    726,611.66x = 1,088,921.03 × 459,896.07
  4. Step 4: Simplify right side
    726,611.66x = 500,790,503,387.09
  5. Step 5: Solve for x
    x = 500,790,503,387.09/726,611.66
  6. Step 6: Final answer
    x = 689,213.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.