Home / 856,652.94-1,284,982.38-216,956.52

Finding the Fourth Proportional to 856,652.94, 1,284,982.38 and 216,956.52

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Solution

The fourth proportional to 856,652.94, 1,284,982.38 and 216,956.52 is: 325,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,652.94 : 1,284,982.38 = 216,956.52 : x
  2. Step 2: Convert to fraction form
    856,652.94/1,284,982.38 = 216,956.52/x
  3. Step 3: Cross multiply
    856,652.94x = 1,284,982.38 × 216,956.52
  4. Step 4: Simplify right side
    856,652.94x = 278,785,305,426.12
  5. Step 5: Solve for x
    x = 278,785,305,426.12/856,652.94
  6. Step 6: Final answer
    x = 325,435.53

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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.