Finding the Fourth Proportional to 793,070.44, 1,190,786.94 and 320,678.44
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Solution
The fourth proportional to 793,070.44, 1,190,786.94 and 320,678.44 is: 481,495.31
Step by Step Solution
- Step 1: Write the proportion equation
793,070.44 : 1,190,786.94 = 320,678.44 : x - Step 2: Convert to fraction form
793,070.44/1,190,786.94 = 320,678.44/x - Step 3: Cross multiply
793,070.44x = 1,190,786.94 × 320,678.44 - Step 4: Simplify right side
793,070.44x = 381,859,698,291.57 - Step 5: Solve for x
x = 381,859,698,291.57/793,070.44 - Step 6: Final answer
x = 481,495.31
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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.