Home / 809,646.00-1,214,889.31-330,225.53

Finding the Fourth Proportional to 809,646.00, 1,214,889.31 and 330,225.53

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Solution

The fourth proportional to 809,646.00, 1,214,889.31 and 330,225.53 is: 495,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,646.00 : 1,214,889.31 = 330,225.53 : x
  2. Step 2: Convert to fraction form
    809,646.00/1,214,889.31 = 330,225.53/x
  3. Step 3: Cross multiply
    809,646.00x = 1,214,889.31 × 330,225.53
  4. Step 4: Simplify right side
    809,646.00x = 401,187,458,766.90
  5. Step 5: Solve for x
    x = 401,187,458,766.90/809,646.00
  6. Step 6: Final answer
    x = 495,509.72

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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.