Home / 820,929.82-1,132,583.96-481,332.46

Finding the Fourth Proportional to 820,929.82, 1,132,583.96 and 481,332.46

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Solution

The fourth proportional to 820,929.82, 1,132,583.96 and 481,332.46 is: 664,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,929.82 : 1,132,583.96 = 481,332.46 : x
  2. Step 2: Convert to fraction form
    820,929.82/1,132,583.96 = 481,332.46/x
  3. Step 3: Cross multiply
    820,929.82x = 1,132,583.96 × 481,332.46
  4. Step 4: Simplify right side
    820,929.82x = 545,149,423,623.34
  5. Step 5: Solve for x
    x = 545,149,423,623.34/820,929.82
  6. Step 6: Final answer
    x = 664,063.37

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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.