Home / 862,901.92-1,294,754.16-330,247.36

Finding the Fourth Proportional to 862,901.92, 1,294,754.16 and 330,247.36

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Solution

The fourth proportional to 862,901.92, 1,294,754.16 and 330,247.36 is: 495,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,901.92 : 1,294,754.16 = 330,247.36 : x
  2. Step 2: Convert to fraction form
    862,901.92/1,294,754.16 = 330,247.36/x
  3. Step 3: Cross multiply
    862,901.92x = 1,294,754.16 × 330,247.36
  4. Step 4: Simplify right side
    862,901.92x = 427,589,143,189.02
  5. Step 5: Solve for x
    x = 427,589,143,189.02/862,901.92
  6. Step 6: Final answer
    x = 495,524.62

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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.