Finding the Fourth Proportional to 706,087.36, 1,058,535.80 and 306,427.09
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Solution
The fourth proportional to 706,087.36, 1,058,535.80 and 306,427.09 is: 459,382.31
Step by Step Solution
- Step 1: Write the proportion equation
706,087.36 : 1,058,535.80 = 306,427.09 : x - Step 2: Convert to fraction form
706,087.36/1,058,535.80 = 306,427.09/x - Step 3: Cross multiply
706,087.36x = 1,058,535.80 × 306,427.09 - Step 4: Simplify right side
706,087.36x = 324,364,043,322.69 - Step 5: Solve for x
x = 324,364,043,322.69/706,087.36 - Step 6: Final answer
x = 459,382.31
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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.