Home / 809,640.81-1,214,249.22-240,868.71

Finding the Fourth Proportional to 809,640.81, 1,214,249.22 and 240,868.71

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Solution

The fourth proportional to 809,640.81, 1,214,249.22 and 240,868.71 is: 361,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,640.81 : 1,214,249.22 = 240,868.71 : x
  2. Step 2: Convert to fraction form
    809,640.81/1,214,249.22 = 240,868.71/x
  3. Step 3: Cross multiply
    809,640.81x = 1,214,249.22 × 240,868.71
  4. Step 4: Simplify right side
    809,640.81x = 292,474,643,239.91
  5. Step 5: Solve for x
    x = 292,474,643,239.91/809,640.81
  6. Step 6: Final answer
    x = 361,240.00

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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.