Home / 646,560.43-969,921.07-220,063.50

Finding the Fourth Proportional to 646,560.43, 969,921.07 and 220,063.50

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Solution

The fourth proportional to 646,560.43, 969,921.07 and 220,063.50 is: 330,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,560.43 : 969,921.07 = 220,063.50 : x
  2. Step 2: Convert to fraction form
    646,560.43/969,921.07 = 220,063.50/x
  3. Step 3: Cross multiply
    646,560.43x = 969,921.07 × 220,063.50
  4. Step 4: Simplify right side
    646,560.43x = 213,444,224,837.79
  5. Step 5: Solve for x
    x = 213,444,224,837.79/646,560.43
  6. Step 6: Final answer
    x = 330,122.62

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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.