Home / 672,373.89-1,008,634.59-335,499.30

Finding the Fourth Proportional to 672,373.89, 1,008,634.59 and 335,499.30

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Solution

The fourth proportional to 672,373.89, 1,008,634.59 and 335,499.30 is: 503,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,373.89 : 1,008,634.59 = 335,499.30 : x
  2. Step 2: Convert to fraction form
    672,373.89/1,008,634.59 = 335,499.30/x
  3. Step 3: Cross multiply
    672,373.89x = 1,008,634.59 × 335,499.30
  4. Step 4: Simplify right side
    672,373.89x = 338,396,198,900.79
  5. Step 5: Solve for x
    x = 338,396,198,900.79/672,373.89
  6. Step 6: Final answer
    x = 503,285.75

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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.