Home / 863,008.38-1,294,523.51-330,561.36

Finding the Fourth Proportional to 863,008.38, 1,294,523.51 and 330,561.36

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Solution

The fourth proportional to 863,008.38, 1,294,523.51 and 330,561.36 is: 495,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,008.38 : 1,294,523.51 = 330,561.36 : x
  2. Step 2: Convert to fraction form
    863,008.38/1,294,523.51 = 330,561.36/x
  3. Step 3: Cross multiply
    863,008.38x = 1,294,523.51 × 330,561.36
  4. Step 4: Simplify right side
    863,008.38x = 427,919,450,364.77
  5. Step 5: Solve for x
    x = 427,919,450,364.77/863,008.38
  6. Step 6: Final answer
    x = 495,846.23

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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.