Finding the Fourth Proportional to 543,946.52, 750,413.67 and 339,858.41
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Solution
The fourth proportional to 543,946.52, 750,413.67 and 339,858.41 is: 468,859.32
Step by Step Solution
- Step 1: Write the proportion equation
543,946.52 : 750,413.67 = 339,858.41 : x - Step 2: Convert to fraction form
543,946.52/750,413.67 = 339,858.41/x - Step 3: Cross multiply
543,946.52x = 750,413.67 × 339,858.41 - Step 4: Simplify right side
543,946.52x = 255,034,392,976.40 - Step 5: Solve for x
x = 255,034,392,976.40/543,946.52 - Step 6: Final answer
x = 468,859.32
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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.