Home / 820,637.73-1,132,669.03-481,215.33

Finding the Fourth Proportional to 820,637.73, 1,132,669.03 and 481,215.33

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Solution

The fourth proportional to 820,637.73, 1,132,669.03 and 481,215.33 is: 664,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,637.73 : 1,132,669.03 = 481,215.33 : x
  2. Step 2: Convert to fraction form
    820,637.73/1,132,669.03 = 481,215.33/x
  3. Step 3: Cross multiply
    820,637.73x = 1,132,669.03 × 481,215.33
  4. Step 4: Simplify right side
    820,637.73x = 545,057,705,901.26
  5. Step 5: Solve for x
    x = 545,057,705,901.26/820,637.73
  6. Step 6: Final answer
    x = 664,187.96

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1.5x scale

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.