Finding the Fourth Proportional to 718,991.58, 992,202.84 and 396,715.26
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Solution
The fourth proportional to 718,991.58, 992,202.84 and 396,715.26 is: 547,464.00
Step by Step Solution
- Step 1: Write the proportion equation
718,991.58 : 992,202.84 = 396,715.26 : x - Step 2: Convert to fraction form
718,991.58/992,202.84 = 396,715.26/x - Step 3: Cross multiply
718,991.58x = 992,202.84 × 396,715.26 - Step 4: Simplify right side
718,991.58x = 393,622,007,643.34 - Step 5: Solve for x
x = 393,622,007,643.34/718,991.58 - Step 6: Final answer
x = 547,464.00
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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.