Home / 668,460.82-1,002,857.28-331,659.58

Finding the Fourth Proportional to 668,460.82, 1,002,857.28 and 331,659.58

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Solution

The fourth proportional to 668,460.82, 1,002,857.28 and 331,659.58 is: 497,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,460.82 : 1,002,857.28 = 331,659.58 : x
  2. Step 2: Convert to fraction form
    668,460.82/1,002,857.28 = 331,659.58/x
  3. Step 3: Cross multiply
    668,460.82x = 1,002,857.28 × 331,659.58
  4. Step 4: Simplify right side
    668,460.82x = 332,607,224,284.74
  5. Step 5: Solve for x
    x = 332,607,224,284.74/668,460.82
  6. Step 6: Final answer
    x = 497,571.76

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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.