Home / 669,516.91-1,004,164.52-220,243.39

Finding the Fourth Proportional to 669,516.91, 1,004,164.52 and 220,243.39

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Solution

The fourth proportional to 669,516.91, 1,004,164.52 and 220,243.39 is: 330,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,516.91 : 1,004,164.52 = 220,243.39 : x
  2. Step 2: Convert to fraction form
    669,516.91/1,004,164.52 = 220,243.39/x
  3. Step 3: Cross multiply
    669,516.91x = 1,004,164.52 × 220,243.39
  4. Step 4: Simplify right side
    669,516.91x = 221,160,592,981.70
  5. Step 5: Solve for x
    x = 221,160,592,981.70/669,516.91
  6. Step 6: Final answer
    x = 330,328.62

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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.