Home / 494,819.04-682,399.42-418,498.16

Finding the Fourth Proportional to 494,819.04, 682,399.42 and 418,498.16

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Solution

The fourth proportional to 494,819.04, 682,399.42 and 418,498.16 is: 577,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,819.04 : 682,399.42 = 418,498.16 : x
  2. Step 2: Convert to fraction form
    494,819.04/682,399.42 = 418,498.16/x
  3. Step 3: Cross multiply
    494,819.04x = 682,399.42 × 418,498.16
  4. Step 4: Simplify right side
    494,819.04x = 285,582,901,655.07
  5. Step 5: Solve for x
    x = 285,582,901,655.07/494,819.04
  6. Step 6: Final answer
    x = 577,146.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.