Finding the Fourth Proportional to 790,597.09, 1,184,902.39 and 340,791.49
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Solution
The fourth proportional to 790,597.09, 1,184,902.39 and 340,791.49 is: 510,759.09
Step by Step Solution
- Step 1: Write the proportion equation
790,597.09 : 1,184,902.39 = 340,791.49 : x - Step 2: Convert to fraction form
790,597.09/1,184,902.39 = 340,791.49/x - Step 3: Cross multiply
790,597.09x = 1,184,902.39 × 340,791.49 - Step 4: Simplify right side
790,597.09x = 403,804,650,992.66 - Step 5: Solve for x
x = 403,804,650,992.66/790,597.09 - Step 6: Final answer
x = 510,759.09
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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.