Finding the Fourth Proportional to 860,990.88, 1,188,137.60 and 473,770.09
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Solution
The fourth proportional to 860,990.88, 1,188,137.60 and 473,770.09 is: 653,786.31
Step by Step Solution
- Step 1: Write the proportion equation
860,990.88 : 1,188,137.60 = 473,770.09 : x - Step 2: Convert to fraction form
860,990.88/1,188,137.60 = 473,770.09/x - Step 3: Cross multiply
860,990.88x = 1,188,137.60 × 473,770.09 - Step 4: Simplify right side
860,990.88x = 562,904,052,345.19 - Step 5: Solve for x
x = 562,904,052,345.19/860,990.88 - Step 6: Final answer
x = 653,786.31
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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.