Home / 846,421.36-1,269,651.52-206,730.41

Finding the Fourth Proportional to 846,421.36, 1,269,651.52 and 206,730.41

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Solution

The fourth proportional to 846,421.36, 1,269,651.52 and 206,730.41 is: 310,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,421.36 : 1,269,651.52 = 206,730.41 : x
  2. Step 2: Convert to fraction form
    846,421.36/1,269,651.52 = 206,730.41/x
  3. Step 3: Cross multiply
    846,421.36x = 1,269,651.52 × 206,730.41
  4. Step 4: Simplify right side
    846,421.36x = 262,475,576,629.42
  5. Step 5: Solve for x
    x = 262,475,576,629.42/846,421.36
  6. Step 6: Final answer
    x = 310,100.37

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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.