Finding the Fourth Proportional to 860,266.44, 1,290,316.23 and 261,232.79
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Solution
The fourth proportional to 860,266.44, 1,290,316.23 and 261,232.79 is: 391,823.84
Step by Step Solution
- Step 1: Write the proportion equation
860,266.44 : 1,290,316.23 = 261,232.79 : x - Step 2: Convert to fraction form
860,266.44/1,290,316.23 = 261,232.79/x - Step 3: Cross multiply
860,266.44x = 1,290,316.23 × 261,232.79 - Step 4: Simplify right side
860,266.44x = 337,072,902,293.60 - Step 5: Solve for x
x = 337,072,902,293.60/860,266.44 - Step 6: Final answer
x = 391,823.84
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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.