Home / 820,650.84-1,132,687.10-481,228.44

Finding the Fourth Proportional to 820,650.84, 1,132,687.10 and 481,228.44

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Solution

The fourth proportional to 820,650.84, 1,132,687.10 and 481,228.44 is: 664,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,650.84 : 1,132,687.10 = 481,228.44 : x
  2. Step 2: Convert to fraction form
    820,650.84/1,132,687.10 = 481,228.44/x
  3. Step 3: Cross multiply
    820,650.84x = 1,132,687.10 × 481,228.44
  4. Step 4: Simplify right side
    820,650.84x = 545,081,246,141.12
  5. Step 5: Solve for x
    x = 545,081,246,141.12/820,650.84
  6. Step 6: Final answer
    x = 664,206.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.