Home / 879,198.59-1,318,783.34-280,151.61

Finding the Fourth Proportional to 879,198.59, 1,318,783.34 and 280,151.61

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Solution

The fourth proportional to 879,198.59, 1,318,783.34 and 280,151.61 is: 420,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,198.59 : 1,318,783.34 = 280,151.61 : x
  2. Step 2: Convert to fraction form
    879,198.59/1,318,783.34 = 280,151.61/x
  3. Step 3: Cross multiply
    879,198.59x = 1,318,783.34 × 280,151.61
  4. Step 4: Simplify right side
    879,198.59x = 369,459,276,642.56
  5. Step 5: Solve for x
    x = 369,459,276,642.56/879,198.59
  6. Step 6: Final answer
    x = 420,222.78

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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.