Finding the Fourth Proportional to 656,689.08, 985,413.41 and 277,585.26
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Solution
The fourth proportional to 656,689.08, 985,413.41 and 277,585.26 is: 416,538.43
Step by Step Solution
- Step 1: Write the proportion equation
656,689.08 : 985,413.41 = 277,585.26 : x - Step 2: Convert to fraction form
656,689.08/985,413.41 = 277,585.26/x - Step 3: Cross multiply
656,689.08x = 985,413.41 × 277,585.26 - Step 4: Simplify right side
656,689.08x = 273,536,237,622.34 - Step 5: Solve for x
x = 273,536,237,622.34/656,689.08 - Step 6: Final answer
x = 416,538.43
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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.