Home / 820,925.82-1,132,578.45-481,328.46

Finding the Fourth Proportional to 820,925.82, 1,132,578.45 and 481,328.46

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Solution

The fourth proportional to 820,925.82, 1,132,578.45 and 481,328.46 is: 664,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,925.82 : 1,132,578.45 = 481,328.46 : x
  2. Step 2: Convert to fraction form
    820,925.82/1,132,578.45 = 481,328.46/x
  3. Step 3: Cross multiply
    820,925.82x = 1,132,578.45 × 481,328.46
  4. Step 4: Simplify right side
    820,925.82x = 545,142,241,167.69
  5. Step 5: Solve for x
    x = 545,142,241,167.69/820,925.82
  6. Step 6: Final answer
    x = 664,057.86

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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.