Home / 646,284.41-969,869.45-225,560.28

Finding the Fourth Proportional to 646,284.41, 969,869.45 and 225,560.28

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Solution

The fourth proportional to 646,284.41, 969,869.45 and 225,560.28 is: 338,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,284.41 : 969,869.45 = 225,560.28 : x
  2. Step 2: Convert to fraction form
    646,284.41/969,869.45 = 225,560.28/x
  3. Step 3: Cross multiply
    646,284.41x = 969,869.45 × 225,560.28
  4. Step 4: Simplify right side
    646,284.41x = 218,764,024,705.45
  5. Step 5: Solve for x
    x = 218,764,024,705.45/646,284.41
  6. Step 6: Final answer
    x = 338,494.97

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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.