Finding the Fourth Proportional to 871,692, 1,202,658.48 and 531,990.24
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Solution
The fourth proportional to 871,692, 1,202,658.48 and 531,990.24 is: 733,977.80
Step by Step Solution
- Step 1: Write the proportion equation
871,692 : 1,202,658.48 = 531,990.24 : x - Step 2: Convert to fraction form
871,692/1,202,658.48 = 531,990.24/x - Step 3: Cross multiply
871,692x = 1,202,658.48 × 531,990.24 - Step 4: Simplify right side
871,692x = 639,802,573,413.24 - Step 5: Solve for x
x = 639,802,573,413.24/871,692 - Step 6: Final answer
x = 733,977.80
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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.