Home / 669,793.51-1,004,478.40-220,414.22

Finding the Fourth Proportional to 669,793.51, 1,004,478.40 and 220,414.22

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Solution

The fourth proportional to 669,793.51, 1,004,478.40 and 220,414.22 is: 330,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,793.51 : 1,004,478.40 = 220,414.22 : x
  2. Step 2: Convert to fraction form
    669,793.51/1,004,478.40 = 220,414.22/x
  3. Step 3: Cross multiply
    669,793.51x = 1,004,478.40 × 220,414.22
  4. Step 4: Simplify right side
    669,793.51x = 221,401,322,062.77
  5. Step 5: Solve for x
    x = 221,401,322,062.77/669,793.51
  6. Step 6: Final answer
    x = 330,551.61

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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.