Home / 862,290.36-1,189,973.03-494,827.38

Finding the Fourth Proportional to 862,290.36, 1,189,973.03 and 494,827.38

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Solution

The fourth proportional to 862,290.36, 1,189,973.03 and 494,827.38 is: 682,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,290.36 : 1,189,973.03 = 494,827.38 : x
  2. Step 2: Convert to fraction form
    862,290.36/1,189,973.03 = 494,827.38/x
  3. Step 3: Cross multiply
    862,290.36x = 1,189,973.03 × 494,827.38
  4. Step 4: Simplify right side
    862,290.36x = 588,831,234,231.43
  5. Step 5: Solve for x
    x = 588,831,234,231.43/862,290.36
  6. Step 6: Final answer
    x = 682,868.86

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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.