Home / 668,339.85-1,002,568.74-188,571.87

Finding the Fourth Proportional to 668,339.85, 1,002,568.74 and 188,571.87

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Solution

The fourth proportional to 668,339.85, 1,002,568.74 and 188,571.87 is: 282,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,339.85 : 1,002,568.74 = 188,571.87 : x
  2. Step 2: Convert to fraction form
    668,339.85/1,002,568.74 = 188,571.87/x
  3. Step 3: Cross multiply
    668,339.85x = 1,002,568.74 × 188,571.87
  4. Step 4: Simplify right side
    668,339.85x = 189,056,262,105.34
  5. Step 5: Solve for x
    x = 189,056,262,105.34/668,339.85
  6. Step 6: Final answer
    x = 282,874.44

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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.