Finding the Fourth Proportional to 756,768.94, 1,135,455.84 and 307,524.97
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Solution
The fourth proportional to 756,768.94, 1,135,455.84 and 307,524.97 is: 461,410.35
Step by Step Solution
- Step 1: Write the proportion equation
756,768.94 : 1,135,455.84 = 307,524.97 : x - Step 2: Convert to fraction form
756,768.94/1,135,455.84 = 307,524.97/x - Step 3: Cross multiply
756,768.94x = 1,135,455.84 × 307,524.97 - Step 4: Simplify right side
756,768.94x = 349,181,023,132.33 - Step 5: Solve for x
x = 349,181,023,132.33/756,768.94 - Step 6: Final answer
x = 461,410.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.