Home / 668,568.41-1,002,489.71-303,629.61

Finding the Fourth Proportional to 668,568.41, 1,002,489.71 and 303,629.61

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Solution

The fourth proportional to 668,568.41, 1,002,489.71 and 303,629.61 is: 455,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,568.41 : 1,002,489.71 = 303,629.61 : x
  2. Step 2: Convert to fraction form
    668,568.41/1,002,489.71 = 303,629.61/x
  3. Step 3: Cross multiply
    668,568.41x = 1,002,489.71 × 303,629.61
  4. Step 4: Simplify right side
    668,568.41x = 304,385,558,158.17
  5. Step 5: Solve for x
    x = 304,385,558,158.17/668,568.41
  6. Step 6: Final answer
    x = 455,279.60

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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.