Home / 669,405.26-1,004,140.17-220,116.17

Finding the Fourth Proportional to 669,405.26, 1,004,140.17 and 220,116.17

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Solution

The fourth proportional to 669,405.26, 1,004,140.17 and 220,116.17 is: 330,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,405.26 : 1,004,140.17 = 220,116.17 : x
  2. Step 2: Convert to fraction form
    669,405.26/1,004,140.17 = 220,116.17/x
  3. Step 3: Cross multiply
    669,405.26x = 1,004,140.17 × 220,116.17
  4. Step 4: Simplify right side
    669,405.26x = 221,027,490,873.90
  5. Step 5: Solve for x
    x = 221,027,490,873.90/669,405.26
  6. Step 6: Final answer
    x = 330,184.87

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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.