Home / 879,229.63-1,318,819.84-280,226.73

Finding the Fourth Proportional to 879,229.63, 1,318,819.84 and 280,226.73

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Solution

The fourth proportional to 879,229.63, 1,318,819.84 and 280,226.73 is: 420,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,229.63 : 1,318,819.84 = 280,226.73 : x
  2. Step 2: Convert to fraction form
    879,229.63/1,318,819.84 = 280,226.73/x
  3. Step 3: Cross multiply
    879,229.63x = 1,318,819.84 × 280,226.73
  4. Step 4: Simplify right side
    879,229.63x = 369,568,571,222.32
  5. Step 5: Solve for x
    x = 369,568,571,222.32/879,229.63
  6. Step 6: Final answer
    x = 420,332.25

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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.