Home / 913,791.36-1,370,833.92-314,605.20

Finding the Fourth Proportional to 913,791.36, 1,370,833.92 and 314,605.20

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Solution

The fourth proportional to 913,791.36, 1,370,833.92 and 314,605.20 is: 471,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,791.36 : 1,370,833.92 = 314,605.20 : x
  2. Step 2: Convert to fraction form
    913,791.36/1,370,833.92 = 314,605.20/x
  3. Step 3: Cross multiply
    913,791.36x = 1,370,833.92 × 314,605.20
  4. Step 4: Simplify right side
    913,791.36x = 431,271,479,568.38
  5. Step 5: Solve for x
    x = 431,271,479,568.38/913,791.36
  6. Step 6: Final answer
    x = 471,958.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.