Home / 672,399.76-1,008,754.84-223,087.12

Finding the Fourth Proportional to 672,399.76, 1,008,754.84 and 223,087.12

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Solution

The fourth proportional to 672,399.76, 1,008,754.84 and 223,087.12 is: 334,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,399.76 : 1,008,754.84 = 223,087.12 : x
  2. Step 2: Convert to fraction form
    672,399.76/1,008,754.84 = 223,087.12/x
  3. Step 3: Cross multiply
    672,399.76x = 1,008,754.84 × 223,087.12
  4. Step 4: Simplify right side
    672,399.76x = 225,040,212,041.66
  5. Step 5: Solve for x
    x = 225,040,212,041.66/672,399.76
  6. Step 6: Final answer
    x = 334,682.17

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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.