Home / 668,505.96-1,002,924.72-331,705.44

Finding the Fourth Proportional to 668,505.96, 1,002,924.72 and 331,705.44

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Solution

The fourth proportional to 668,505.96, 1,002,924.72 and 331,705.44 is: 497,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,505.96 : 1,002,924.72 = 331,705.44 : x
  2. Step 2: Convert to fraction form
    668,505.96/1,002,924.72 = 331,705.44/x
  3. Step 3: Cross multiply
    668,505.96x = 1,002,924.72 × 331,705.44
  4. Step 4: Simplify right side
    668,505.96x = 332,675,585,534.48
  5. Step 5: Solve for x
    x = 332,675,585,534.48/668,505.96
  6. Step 6: Final answer
    x = 497,640.42

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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.