Finding the Fourth Proportional to 904,279.97, 1,247,861.25 and 522,283.97
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Solution
The fourth proportional to 904,279.97, 1,247,861.25 and 522,283.97 is: 720,725.83
Step by Step Solution
- Step 1: Write the proportion equation
904,279.97 : 1,247,861.25 = 522,283.97 : x - Step 2: Convert to fraction form
904,279.97/1,247,861.25 = 522,283.97/x - Step 3: Cross multiply
904,279.97x = 1,247,861.25 × 522,283.97 - Step 4: Simplify right side
904,279.97x = 651,737,930,778.82 - Step 5: Solve for x
x = 651,737,930,778.82/904,279.97 - Step 6: Final answer
x = 720,725.83
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1.5x scale
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.