Home / 930,938.15-1,396,516.58-331,984.46

Finding the Fourth Proportional to 930,938.15, 1,396,516.58 and 331,984.46

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Solution

The fourth proportional to 930,938.15, 1,396,516.58 and 331,984.46 is: 498,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,938.15 : 1,396,516.58 = 331,984.46 : x
  2. Step 2: Convert to fraction form
    930,938.15/1,396,516.58 = 331,984.46/x
  3. Step 3: Cross multiply
    930,938.15x = 1,396,516.58 × 331,984.46
  4. Step 4: Simplify right side
    930,938.15x = 463,621,794,049.84
  5. Step 5: Solve for x
    x = 463,621,794,049.84/930,938.15
  6. Step 6: Final answer
    x = 498,015.68

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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.