Home / 494,820.04-682,400.80-418,499.16

Finding the Fourth Proportional to 494,820.04, 682,400.80 and 418,499.16

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Solution

The fourth proportional to 494,820.04, 682,400.80 and 418,499.16 is: 577,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,820.04 : 682,400.80 = 418,499.16 : x
  2. Step 2: Convert to fraction form
    494,820.04/682,400.80 = 418,499.16/x
  3. Step 3: Cross multiply
    494,820.04x = 682,400.80 × 418,499.16
  4. Step 4: Simplify right side
    494,820.04x = 285,584,161,583.33
  5. Step 5: Solve for x
    x = 285,584,161,583.33/494,820.04
  6. Step 6: Final answer
    x = 577,147.53

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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.