Finding the Fourth Proportional to 613,075.09, 919,601.89 and 275,877.09
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Solution
The fourth proportional to 613,075.09, 919,601.89 and 275,877.09 is: 413,810.80
Step by Step Solution
- Step 1: Write the proportion equation
613,075.09 : 919,601.89 = 275,877.09 : x - Step 2: Convert to fraction form
613,075.09/919,601.89 = 275,877.09/x - Step 3: Cross multiply
613,075.09x = 919,601.89 × 275,877.09 - Step 4: Simplify right side
613,075.09x = 253,697,093,371.70 - Step 5: Solve for x
x = 253,697,093,371.70/613,075.09 - Step 6: Final answer
x = 413,810.80
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1.5x scale
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.