Home / 669,732.36-1,004,736.90-220,480.25

Finding the Fourth Proportional to 669,732.36, 1,004,736.90 and 220,480.25

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Solution

The fourth proportional to 669,732.36, 1,004,736.90 and 220,480.25 is: 330,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,732.36 : 1,004,736.90 = 220,480.25 : x
  2. Step 2: Convert to fraction form
    669,732.36/1,004,736.90 = 220,480.25/x
  3. Step 3: Cross multiply
    669,732.36x = 1,004,736.90 × 220,480.25
  4. Step 4: Simplify right side
    669,732.36x = 221,524,637,872.54
  5. Step 5: Solve for x
    x = 221,524,637,872.54/669,732.36
  6. Step 6: Final answer
    x = 330,765.92

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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.