Home / 667,914.13-1,002,199.76-312,866.77

Finding the Fourth Proportional to 667,914.13, 1,002,199.76 and 312,866.77

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Solution

The fourth proportional to 667,914.13, 1,002,199.76 and 312,866.77 is: 469,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,914.13 : 1,002,199.76 = 312,866.77 : x
  2. Step 2: Convert to fraction form
    667,914.13/1,002,199.76 = 312,866.77/x
  3. Step 3: Cross multiply
    667,914.13x = 1,002,199.76 × 312,866.77
  4. Step 4: Simplify right side
    667,914.13x = 313,555,000,241.64
  5. Step 5: Solve for x
    x = 313,555,000,241.64/667,914.13
  6. Step 6: Final answer
    x = 469,454.06

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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.