Finding the Fourth Proportional to 816,075.81, 1,126,112.94 and 453,476.70
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Solution
The fourth proportional to 816,075.81, 1,126,112.94 and 453,476.70 is: 625,758.02
Step by Step Solution
- Step 1: Write the proportion equation
816,075.81 : 1,126,112.94 = 453,476.70 : x - Step 2: Convert to fraction form
816,075.81/1,126,112.94 = 453,476.70/x - Step 3: Cross multiply
816,075.81x = 1,126,112.94 × 453,476.70 - Step 4: Simplify right side
816,075.81x = 510,665,979,858.50 - Step 5: Solve for x
x = 510,665,979,858.50/816,075.81 - Step 6: Final answer
x = 625,758.02
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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.