Finding the Fourth Proportional to 816,075.96, 1,126,318.56 and 679,893.96
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Solution
The fourth proportional to 816,075.96, 1,126,318.56 and 679,893.96 is: 938,365.08
Step by Step Solution
- Step 1: Write the proportion equation
816,075.96 : 1,126,318.56 = 679,893.96 : x - Step 2: Convert to fraction form
816,075.96/1,126,318.56 = 679,893.96/x - Step 3: Cross multiply
816,075.96x = 1,126,318.56 × 679,893.96 - Step 4: Simplify right side
816,075.96x = 765,777,185,979.90 - Step 5: Solve for x
x = 765,777,185,979.90/816,075.96 - Step 6: Final answer
x = 938,365.08
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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.