Finding the Fourth Proportional to 580,736.49, 801,389.09 and 322,630.09
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Solution
The fourth proportional to 580,736.49, 801,389.09 and 322,630.09 is: 445,214.38
Step by Step Solution
- Step 1: Write the proportion equation
580,736.49 : 801,389.09 = 322,630.09 : x - Step 2: Convert to fraction form
580,736.49/801,389.09 = 322,630.09/x - Step 3: Cross multiply
580,736.49x = 801,389.09 × 322,630.09 - Step 4: Simplify right side
580,736.49x = 258,552,233,034.82 - Step 5: Solve for x
x = 258,552,233,034.82/580,736.49 - Step 6: Final answer
x = 445,214.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.