Home / 494,810.04-682,387.02-418,489.14

Finding the Fourth Proportional to 494,810.04, 682,387.02 and 418,489.14

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Solution

The fourth proportional to 494,810.04, 682,387.02 and 418,489.14 is: 577,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,810.04 : 682,387.02 = 418,489.14 : x
  2. Step 2: Convert to fraction form
    494,810.04/682,387.02 = 418,489.14/x
  3. Step 3: Cross multiply
    494,810.04x = 682,387.02 × 418,489.14
  4. Step 4: Simplify right side
    494,810.04x = 285,571,557,146.96
  5. Step 5: Solve for x
    x = 285,571,557,146.96/494,810.04
  6. Step 6: Final answer
    x = 577,133.72

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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.