Home / 820,982.08-1,133,144.16-481,559.68

Finding the Fourth Proportional to 820,982.08, 1,133,144.16 and 481,559.68

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Solution

The fourth proportional to 820,982.08, 1,133,144.16 and 481,559.68 is: 664,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,982.08 : 1,133,144.16 = 481,559.68 : x
  2. Step 2: Convert to fraction form
    820,982.08/1,133,144.16 = 481,559.68/x
  3. Step 3: Cross multiply
    820,982.08x = 1,133,144.16 × 481,559.68
  4. Step 4: Simplify right side
    820,982.08x = 545,676,539,083.47
  5. Step 5: Solve for x
    x = 545,676,539,083.47/820,982.08
  6. Step 6: Final answer
    x = 664,663.15

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Double scale
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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.