Home / 494,992.96-683,090.64-268,638.46

Finding the Fourth Proportional to 494,992.96, 683,090.64 and 268,638.46

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Solution

The fourth proportional to 494,992.96, 683,090.64 and 268,638.46 is: 370,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,992.96 : 683,090.64 = 268,638.46 : x
  2. Step 2: Convert to fraction form
    494,992.96/683,090.64 = 268,638.46/x
  3. Step 3: Cross multiply
    494,992.96x = 683,090.64 × 268,638.46
  4. Step 4: Simplify right side
    494,992.96x = 183,504,417,570.01
  5. Step 5: Solve for x
    x = 183,504,417,570.01/494,992.96
  6. Step 6: Final answer
    x = 370,721.27

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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.