Home / 789,945.84-1,090,164.48-484,039.20

Finding the Fourth Proportional to 789,945.84, 1,090,164.48 and 484,039.20

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Solution

The fourth proportional to 789,945.84, 1,090,164.48 and 484,039.20 is: 667,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,945.84 : 1,090,164.48 = 484,039.20 : x
  2. Step 2: Convert to fraction form
    789,945.84/1,090,164.48 = 484,039.20/x
  3. Step 3: Cross multiply
    789,945.84x = 1,090,164.48 × 484,039.20
  4. Step 4: Simplify right side
    789,945.84x = 527,682,342,767.62
  5. Step 5: Solve for x
    x = 527,682,342,767.62/789,945.84
  6. Step 6: Final answer
    x = 667,998.13

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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.