Home / 862,937.69-1,294,593.35-330,458.73

Finding the Fourth Proportional to 862,937.69, 1,294,593.35 and 330,458.73

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Solution

The fourth proportional to 862,937.69, 1,294,593.35 and 330,458.73 is: 495,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,937.69 : 1,294,593.35 = 330,458.73 : x
  2. Step 2: Convert to fraction form
    862,937.69/1,294,593.35 = 330,458.73/x
  3. Step 3: Cross multiply
    862,937.69x = 1,294,593.35 × 330,458.73
  4. Step 4: Simplify right side
    862,937.69x = 427,809,672,655.15
  5. Step 5: Solve for x
    x = 427,809,672,655.15/862,937.69
  6. Step 6: Final answer
    x = 495,759.64

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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.