Finding the Fourth Proportional to 725,629.94, 1,001,450.64 and 403,370.66
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Solution
The fourth proportional to 725,629.94, 1,001,450.64 and 403,370.66 is: 556,696.72
Step by Step Solution
- Step 1: Write the proportion equation
725,629.94 : 1,001,450.64 = 403,370.66 : x - Step 2: Convert to fraction form
725,629.94/1,001,450.64 = 403,370.66/x - Step 3: Cross multiply
725,629.94x = 1,001,450.64 × 403,370.66 - Step 4: Simplify right side
725,629.94x = 403,955,805,614.22 - Step 5: Solve for x
x = 403,955,805,614.22/725,629.94 - Step 6: Final answer
x = 556,696.72
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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.