Finding the Fourth Proportional to 886,413.80, 1,329,620.70 and 746,445.80
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Solution
The fourth proportional to 886,413.80, 1,329,620.70 and 746,445.80 is: 1,119,668.70
Step by Step Solution
- Step 1: Write the proportion equation
886,413.80 : 1,329,620.70 = 746,445.80 : x - Step 2: Convert to fraction form
886,413.80/1,329,620.70 = 746,445.80/x - Step 3: Cross multiply
886,413.80x = 1,329,620.70 × 746,445.80 - Step 4: Simplify right side
886,413.80x = 992,489,787,108.06 - Step 5: Solve for x
x = 992,489,787,108.06/886,413.80 - Step 6: Final answer
x = 1,119,668.70
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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.