Finding the Fourth Proportional to 770,787.08, 1,155,893.07 and 265,205.06
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Solution
The fourth proportional to 770,787.08, 1,155,893.07 and 265,205.06 is: 397,708.65
Step by Step Solution
- Step 1: Write the proportion equation
770,787.08 : 1,155,893.07 = 265,205.06 : x - Step 2: Convert to fraction form
770,787.08/1,155,893.07 = 265,205.06/x - Step 3: Cross multiply
770,787.08x = 1,155,893.07 × 265,205.06 - Step 4: Simplify right side
770,787.08x = 306,548,690,982.93 - Step 5: Solve for x
x = 306,548,690,982.93/770,787.08 - Step 6: Final answer
x = 397,708.65
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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.