Home / 828,785.25-1,243,178.24-372,843.94

Finding the Fourth Proportional to 828,785.25, 1,243,178.24 and 372,843.94

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Solution

The fourth proportional to 828,785.25, 1,243,178.24 and 372,843.94 is: 559,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,785.25 : 1,243,178.24 = 372,843.94 : x
  2. Step 2: Convert to fraction form
    828,785.25/1,243,178.24 = 372,843.94/x
  3. Step 3: Cross multiply
    828,785.25x = 1,243,178.24 × 372,843.94
  4. Step 4: Simplify right side
    828,785.25x = 463,511,469,607.76
  5. Step 5: Solve for x
    x = 463,511,469,607.76/828,785.25
  6. Step 6: Final answer
    x = 559,266.07

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1.5x scale

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.