Home / 668,822.20-1,003,337.87-219,440.86

Finding the Fourth Proportional to 668,822.20, 1,003,337.87 and 219,440.86

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Solution

The fourth proportional to 668,822.20, 1,003,337.87 and 219,440.86 is: 329,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,822.20 : 1,003,337.87 = 219,440.86 : x
  2. Step 2: Convert to fraction form
    668,822.20/1,003,337.87 = 219,440.86/x
  3. Step 3: Cross multiply
    668,822.20x = 1,003,337.87 × 219,440.86
  4. Step 4: Simplify right side
    668,822.20x = 220,173,325,063.37
  5. Step 5: Solve for x
    x = 220,173,325,063.37/668,822.20
  6. Step 6: Final answer
    x = 329,195.60

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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.