Home / 668,272.20-1,002,393.90-445,062.60

Finding the Fourth Proportional to 668,272.20, 1,002,393.90 and 445,062.60

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Solution

The fourth proportional to 668,272.20, 1,002,393.90 and 445,062.60 is: 667,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,272.20 : 1,002,393.90 = 445,062.60 : x
  2. Step 2: Convert to fraction form
    668,272.20/1,002,393.90 = 445,062.60/x
  3. Step 3: Cross multiply
    668,272.20x = 1,002,393.90 × 445,062.60
  4. Step 4: Simplify right side
    668,272.20x = 446,128,035,358.14
  5. Step 5: Solve for x
    x = 446,128,035,358.14/668,272.20
  6. Step 6: Final answer
    x = 667,584.31

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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.