Finding the Fourth Proportional to 647,527.26, 893,675.52 and 371,992.80
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Solution
The fourth proportional to 647,527.26, 893,675.52 and 371,992.80 is: 513,400.56
Step by Step Solution
- Step 1: Write the proportion equation
647,527.26 : 893,675.52 = 371,992.80 : x - Step 2: Convert to fraction form
647,527.26/893,675.52 = 371,992.80/x - Step 3: Cross multiply
647,527.26x = 893,675.52 × 371,992.80 - Step 4: Simplify right side
647,527.26x = 332,440,858,976.26 - Step 5: Solve for x
x = 332,440,858,976.26/647,527.26 - Step 6: Final answer
x = 513,400.56
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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.