Home / 809,639.20-1,214,458.80-248,600.80

Finding the Fourth Proportional to 809,639.20, 1,214,458.80 and 248,600.80

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Solution

The fourth proportional to 809,639.20, 1,214,458.80 and 248,600.80 is: 372,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,639.20 : 1,214,458.80 = 248,600.80 : x
  2. Step 2: Convert to fraction form
    809,639.20/1,214,458.80 = 248,600.80/x
  3. Step 3: Cross multiply
    809,639.20x = 1,214,458.80 × 248,600.80
  4. Step 4: Simplify right side
    809,639.20x = 301,915,429,247.04
  5. Step 5: Solve for x
    x = 301,915,429,247.04/809,639.20
  6. Step 6: Final answer
    x = 372,901.20

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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.