Home / 809,004.64-1,213,191.52-303,289.92

Finding the Fourth Proportional to 809,004.64, 1,213,191.52 and 303,289.92

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Solution

The fourth proportional to 809,004.64, 1,213,191.52 and 303,289.92 is: 454,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,004.64 : 1,213,191.52 = 303,289.92 : x
  2. Step 2: Convert to fraction form
    809,004.64/1,213,191.52 = 303,289.92/x
  3. Step 3: Cross multiply
    809,004.64x = 1,213,191.52 × 303,289.92
  4. Step 4: Simplify right side
    809,004.64x = 367,948,759,045.48
  5. Step 5: Solve for x
    x = 367,948,759,045.48/809,004.64
  6. Step 6: Final answer
    x = 454,816.62

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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.