Finding the Fourth Proportional to 798,413.80, 1,197,620.70 and 719,681.80
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Solution
The fourth proportional to 798,413.80, 1,197,620.70 and 719,681.80 is: 1,079,522.70
Step by Step Solution
- Step 1: Write the proportion equation
798,413.80 : 1,197,620.70 = 719,681.80 : x - Step 2: Convert to fraction form
798,413.80/1,197,620.70 = 719,681.80/x - Step 3: Cross multiply
798,413.80x = 1,197,620.70 × 719,681.80 - Step 4: Simplify right side
798,413.80x = 861,905,821,093.26 - Step 5: Solve for x
x = 861,905,821,093.26/798,413.80 - Step 6: Final answer
x = 1,079,522.70
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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.