Finding the Fourth Proportional to 860,974.41, 1,188,144.68 and 479,001.09
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Solution
The fourth proportional to 860,974.41, 1,188,144.68 and 479,001.09 is: 661,021.50
Step by Step Solution
- Step 1: Write the proportion equation
860,974.41 : 1,188,144.68 = 479,001.09 : x - Step 2: Convert to fraction form
860,974.41/1,188,144.68 = 479,001.09/x - Step 3: Cross multiply
860,974.41x = 1,188,144.68 × 479,001.09 - Step 4: Simplify right side
860,974.41x = 569,122,594,402.70 - Step 5: Solve for x
x = 569,122,594,402.70/860,974.41 - Step 6: Final answer
x = 661,021.50
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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.