Home / 668,820.95-1,003,336.00-219,439.61

Finding the Fourth Proportional to 668,820.95, 1,003,336.00 and 219,439.61

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Solution

The fourth proportional to 668,820.95, 1,003,336.00 and 219,439.61 is: 329,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,820.95 : 1,003,336.00 = 219,439.61 : x
  2. Step 2: Convert to fraction form
    668,820.95/1,003,336.00 = 219,439.61/x
  3. Step 3: Cross multiply
    668,820.95x = 1,003,336.00 × 219,439.61
  4. Step 4: Simplify right side
    668,820.95x = 220,171,662,498.70
  5. Step 5: Solve for x
    x = 220,171,662,498.70/668,820.95
  6. Step 6: Final answer
    x = 329,193.73

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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.