Finding the Fourth Proportional to 874,611.67, 1,206,551.49 and 511,810.90
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Solution
The fourth proportional to 874,611.67, 1,206,551.49 and 511,810.90 is: 706,057.59
Step by Step Solution
- Step 1: Write the proportion equation
874,611.67 : 1,206,551.49 = 511,810.90 : x - Step 2: Convert to fraction form
874,611.67/1,206,551.49 = 511,810.90/x - Step 3: Cross multiply
874,611.67x = 1,206,551.49 × 511,810.90 - Step 4: Simplify right side
874,611.67x = 617,526,203,993.24 - Step 5: Solve for x
x = 617,526,203,993.24/874,611.67 - Step 6: Final answer
x = 706,057.59
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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.