Home / 669,415.24-1,004,155.17-220,126.20

Finding the Fourth Proportional to 669,415.24, 1,004,155.17 and 220,126.20

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Solution

The fourth proportional to 669,415.24, 1,004,155.17 and 220,126.20 is: 330,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,415.24 : 1,004,155.17 = 220,126.20 : x
  2. Step 2: Convert to fraction form
    669,415.24/1,004,155.17 = 220,126.20/x
  3. Step 3: Cross multiply
    669,415.24x = 1,004,155.17 × 220,126.20
  4. Step 4: Simplify right side
    669,415.24x = 221,040,861,782.45
  5. Step 5: Solve for x
    x = 221,040,861,782.45/669,415.24
  6. Step 6: Final answer
    x = 330,199.92

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Double scale
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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.