Home / 683,708.96-1,025,660.64-210,433.76

Finding the Fourth Proportional to 683,708.96, 1,025,660.64 and 210,433.76

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Solution

The fourth proportional to 683,708.96, 1,025,660.64 and 210,433.76 is: 315,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,708.96 : 1,025,660.64 = 210,433.76 : x
  2. Step 2: Convert to fraction form
    683,708.96/1,025,660.64 = 210,433.76/x
  3. Step 3: Cross multiply
    683,708.96x = 1,025,660.64 × 210,433.76
  4. Step 4: Simplify right side
    683,708.96x = 215,833,624,959.21
  5. Step 5: Solve for x
    x = 215,833,624,959.21/683,708.96
  6. Step 6: Final answer
    x = 315,680.56

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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.