Home / 457,942.12-631,379.40-327,275.92

Finding the Fourth Proportional to 457,942.12, 631,379.40 and 327,275.92

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Solution

The fourth proportional to 457,942.12, 631,379.40 and 327,275.92 is: 451,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,942.12 : 631,379.40 = 327,275.92 : x
  2. Step 2: Convert to fraction form
    457,942.12/631,379.40 = 327,275.92/x
  3. Step 3: Cross multiply
    457,942.12x = 631,379.40 × 327,275.92
  4. Step 4: Simplify right side
    457,942.12x = 206,635,274,004.05
  5. Step 5: Solve for x
    x = 206,635,274,004.05/457,942.12
  6. Step 6: Final answer
    x = 451,225.74

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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.