Finding the Fourth Proportional to 756,767.94, 1,135,454.34 and 307,523.97
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Solution
The fourth proportional to 756,767.94, 1,135,454.34 and 307,523.97 is: 461,408.85
Step by Step Solution
- Step 1: Write the proportion equation
756,767.94 : 1,135,454.34 = 307,523.97 : x - Step 2: Convert to fraction form
756,767.94/1,135,454.34 = 307,523.97/x - Step 3: Cross multiply
756,767.94x = 1,135,454.34 × 307,523.97 - Step 4: Simplify right side
756,767.94x = 349,179,426,390.53 - Step 5: Solve for x
x = 349,179,426,390.53/756,767.94 - Step 6: Final answer
x = 461,408.85
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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.