Finding the Fourth Proportional to 773,716.36, 1,067,805.30 and 434,185.96
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Solution
The fourth proportional to 773,716.36, 1,067,805.30 and 434,185.96 is: 599,219.68
Step by Step Solution
- Step 1: Write the proportion equation
773,716.36 : 1,067,805.30 = 434,185.96 : x - Step 2: Convert to fraction form
773,716.36/1,067,805.30 = 434,185.96/x - Step 3: Cross multiply
773,716.36x = 1,067,805.30 × 434,185.96 - Step 4: Simplify right side
773,716.36x = 463,626,069,273.59 - Step 5: Solve for x
x = 463,626,069,273.59/773,716.36 - Step 6: Final answer
x = 599,219.68
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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.