Finding the Fourth Proportional to 489,894.44, 676,093.38 and 275,048.60
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Solution
The fourth proportional to 489,894.44, 676,093.38 and 275,048.60 is: 379,588.99
Step by Step Solution
- Step 1: Write the proportion equation
489,894.44 : 676,093.38 = 275,048.60 : x - Step 2: Convert to fraction form
489,894.44/676,093.38 = 275,048.60/x - Step 3: Cross multiply
489,894.44x = 676,093.38 × 275,048.60 - Step 4: Simplify right side
489,894.44x = 185,958,537,638.27 - Step 5: Solve for x
x = 185,958,537,638.27/489,894.44 - Step 6: Final answer
x = 379,588.99
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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.