Finding the Fourth Proportional to 783,859.88, 1,175,791.75 and 215,249.00
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Solution
The fourth proportional to 783,859.88, 1,175,791.75 and 215,249.00 is: 322,874.02
Step by Step Solution
- Step 1: Write the proportion equation
783,859.88 : 1,175,791.75 = 215,249.00 : x - Step 2: Convert to fraction form
783,859.88/1,175,791.75 = 215,249.00/x - Step 3: Cross multiply
783,859.88x = 1,175,791.75 × 215,249.00 - Step 4: Simplify right side
783,859.88x = 253,087,991,978.67 - Step 5: Solve for x
x = 253,087,991,978.67/783,859.88 - Step 6: Final answer
x = 322,874.02
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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.