Finding the Fourth Proportional to 824,413.80, 1,236,620.70 and 684,445.80
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Solution
The fourth proportional to 824,413.80, 1,236,620.70 and 684,445.80 is: 1,026,668.70
Step by Step Solution
- Step 1: Write the proportion equation
824,413.80 : 1,236,620.70 = 684,445.80 : x - Step 2: Convert to fraction form
824,413.80/1,236,620.70 = 684,445.80/x - Step 3: Cross multiply
824,413.80x = 1,236,620.70 × 684,445.80 - Step 4: Simplify right side
824,413.80x = 846,399,844,308.06 - Step 5: Solve for x
x = 846,399,844,308.06/824,413.80 - Step 6: Final answer
x = 1,026,668.70
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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.