Home / 811,162.94-1,216,865.46-298,789.04

Finding the Fourth Proportional to 811,162.94, 1,216,865.46 and 298,789.04

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Solution

The fourth proportional to 811,162.94, 1,216,865.46 and 298,789.04 is: 448,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,162.94 : 1,216,865.46 = 298,789.04 : x
  2. Step 2: Convert to fraction form
    811,162.94/1,216,865.46 = 298,789.04/x
  3. Step 3: Cross multiply
    811,162.94x = 1,216,865.46 × 298,789.04
  4. Step 4: Simplify right side
    811,162.94x = 363,586,059,920.31
  5. Step 5: Solve for x
    x = 363,586,059,920.31/811,162.94
  6. Step 6: Final answer
    x = 448,228.14

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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.