Home / 818,007.24-1,226,863.13-285,680.51

Finding the Fourth Proportional to 818,007.24, 1,226,863.13 and 285,680.51

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Solution

The fourth proportional to 818,007.24, 1,226,863.13 and 285,680.51 is: 428,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,007.24 : 1,226,863.13 = 285,680.51 : x
  2. Step 2: Convert to fraction form
    818,007.24/1,226,863.13 = 285,680.51/x
  3. Step 3: Cross multiply
    818,007.24x = 1,226,863.13 × 285,680.51
  4. Step 4: Simplify right side
    818,007.24x = 350,490,881,716.62
  5. Step 5: Solve for x
    x = 350,490,881,716.62/818,007.24
  6. Step 6: Final answer
    x = 428,469.17

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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.