Home / 669,868.92-1,004,961.06-220,625.64

Finding the Fourth Proportional to 669,868.92, 1,004,961.06 and 220,625.64

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Solution

The fourth proportional to 669,868.92, 1,004,961.06 and 220,625.64 is: 330,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,868.92 : 1,004,961.06 = 220,625.64 : x
  2. Step 2: Convert to fraction form
    669,868.92/1,004,961.06 = 220,625.64/x
  3. Step 3: Cross multiply
    669,868.92x = 1,004,961.06 × 220,625.64
  4. Step 4: Simplify right side
    669,868.92x = 221,720,177,037.58
  5. Step 5: Solve for x
    x = 221,720,177,037.58/669,868.92
  6. Step 6: Final answer
    x = 330,990.39

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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.