Home / 494,045.30-681,795.75-300,386.42

Finding the Fourth Proportional to 494,045.30, 681,795.75 and 300,386.42

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Solution

The fourth proportional to 494,045.30, 681,795.75 and 300,386.42 is: 414,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,045.30 : 681,795.75 = 300,386.42 : x
  2. Step 2: Convert to fraction form
    494,045.30/681,795.75 = 300,386.42/x
  3. Step 3: Cross multiply
    494,045.30x = 681,795.75 × 300,386.42
  4. Step 4: Simplify right side
    494,045.30x = 204,802,184,513.72
  5. Step 5: Solve for x
    x = 204,802,184,513.72/494,045.30
  6. Step 6: Final answer
    x = 414,541.31

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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.