Home / 669,166.80-1,003,847.40-219,811.20

Finding the Fourth Proportional to 669,166.80, 1,003,847.40 and 219,811.20

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Solution

The fourth proportional to 669,166.80, 1,003,847.40 and 219,811.20 is: 329,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,166.80 : 1,003,847.40 = 219,811.20 : x
  2. Step 2: Convert to fraction form
    669,166.80/1,003,847.40 = 219,811.20/x
  3. Step 3: Cross multiply
    669,166.80x = 1,003,847.40 × 219,811.20
  4. Step 4: Simplify right side
    669,166.80x = 220,656,901,610.88
  5. Step 5: Solve for x
    x = 220,656,901,610.88/669,166.80
  6. Step 6: Final answer
    x = 329,748.73

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1.5x scale

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.