Home / 670,843.56-1,006,367.40-221,611.92

Finding the Fourth Proportional to 670,843.56, 1,006,367.40 and 221,611.92

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Solution

The fourth proportional to 670,843.56, 1,006,367.40 and 221,611.92 is: 332,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,843.56 : 1,006,367.40 = 221,611.92 : x
  2. Step 2: Convert to fraction form
    670,843.56/1,006,367.40 = 221,611.92/x
  3. Step 3: Cross multiply
    670,843.56x = 1,006,367.40 × 221,611.92
  4. Step 4: Simplify right side
    670,843.56x = 223,023,011,739.41
  5. Step 5: Solve for x
    x = 223,023,011,739.41/670,843.56
  6. Step 6: Final answer
    x = 332,451.60

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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.