Home / 862,943.87-1,294,602.68-330,464.94

Finding the Fourth Proportional to 862,943.87, 1,294,602.68 and 330,464.94

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Solution

The fourth proportional to 862,943.87, 1,294,602.68 and 330,464.94 is: 495,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,943.87 : 1,294,602.68 = 330,464.94 : x
  2. Step 2: Convert to fraction form
    862,943.87/1,294,602.68 = 330,464.94/x
  3. Step 3: Cross multiply
    862,943.87x = 1,294,602.68 × 330,464.94
  4. Step 4: Simplify right side
    862,943.87x = 427,820,795,317.72
  5. Step 5: Solve for x
    x = 427,820,795,317.72/862,943.87
  6. Step 6: Final answer
    x = 495,768.97

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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.