Home / 668,301.30-1,002,564.27-331,358.58

Finding the Fourth Proportional to 668,301.30, 1,002,564.27 and 331,358.58

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Solution

The fourth proportional to 668,301.30, 1,002,564.27 and 331,358.58 is: 497,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,301.30 : 1,002,564.27 = 331,358.58 : x
  2. Step 2: Convert to fraction form
    668,301.30/1,002,564.27 = 331,358.58/x
  3. Step 3: Cross multiply
    668,301.30x = 1,002,564.27 × 331,358.58
  4. Step 4: Simplify right side
    668,301.30x = 332,208,272,865.94
  5. Step 5: Solve for x
    x = 332,208,272,865.94/668,301.30
  6. Step 6: Final answer
    x = 497,093.56

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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.