Home / 672,830.45-1,008,994.16-273,336.62

Finding the Fourth Proportional to 672,830.45, 1,008,994.16 and 273,336.62

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Solution

The fourth proportional to 672,830.45, 1,008,994.16 and 273,336.62 is: 409,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,830.45 : 1,008,994.16 = 273,336.62 : x
  2. Step 2: Convert to fraction form
    672,830.45/1,008,994.16 = 273,336.62/x
  3. Step 3: Cross multiply
    672,830.45x = 1,008,994.16 × 273,336.62
  4. Step 4: Simplify right side
    672,830.45x = 275,795,056,499.97
  5. Step 5: Solve for x
    x = 275,795,056,499.97/672,830.45
  6. Step 6: Final answer
    x = 409,902.76

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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.