Home / 980,299.36-1,469,645.52-348,853.60

Finding the Fourth Proportional to 980,299.36, 1,469,645.52 and 348,853.60

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Solution

The fourth proportional to 980,299.36, 1,469,645.52 and 348,853.60 is: 522,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,299.36 : 1,469,645.52 = 348,853.60 : x
  2. Step 2: Convert to fraction form
    980,299.36/1,469,645.52 = 348,853.60/x
  3. Step 3: Cross multiply
    980,299.36x = 1,469,645.52 × 348,853.60
  4. Step 4: Simplify right side
    980,299.36x = 512,691,130,375.87
  5. Step 5: Solve for x
    x = 512,691,130,375.87/980,299.36
  6. Step 6: Final answer
    x = 522,994.46

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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.