Home / 930,938.64-1,396,517.32-331,984.96

Finding the Fourth Proportional to 930,938.64, 1,396,517.32 and 331,984.96

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Solution

The fourth proportional to 930,938.64, 1,396,517.32 and 331,984.96 is: 498,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,938.64 : 1,396,517.32 = 331,984.96 : x
  2. Step 2: Convert to fraction form
    930,938.64/1,396,517.32 = 331,984.96/x
  3. Step 3: Cross multiply
    930,938.64x = 1,396,517.32 × 331,984.96
  4. Step 4: Simplify right side
    930,938.64x = 463,622,746,619.51
  5. Step 5: Solve for x
    x = 463,622,746,619.51/930,938.64
  6. Step 6: Final answer
    x = 498,016.44

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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.