Home / 820,651.70-1,132,688.31-481,229.30

Finding the Fourth Proportional to 820,651.70, 1,132,688.31 and 481,229.30

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Solution

The fourth proportional to 820,651.70, 1,132,688.31 and 481,229.30 is: 664,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,651.70 : 1,132,688.31 = 481,229.30 : x
  2. Step 2: Convert to fraction form
    820,651.70/1,132,688.31 = 481,229.30/x
  3. Step 3: Cross multiply
    820,651.70x = 1,132,688.31 × 481,229.30
  4. Step 4: Simplify right side
    820,651.70x = 545,082,803,566.59
  5. Step 5: Solve for x
    x = 545,082,803,566.59/820,651.70
  6. Step 6: Final answer
    x = 664,207.24

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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.