Finding the Fourth Proportional to 964,540.62, 1,330,943.70 and 528,843.32
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Solution
The fourth proportional to 964,540.62, 1,330,943.70 and 528,843.32 is: 729,736.70
Step by Step Solution
- Step 1: Write the proportion equation
964,540.62 : 1,330,943.70 = 528,843.32 : x - Step 2: Convert to fraction form
964,540.62/1,330,943.70 = 528,843.32/x - Step 3: Cross multiply
964,540.62x = 1,330,943.70 × 528,843.32 - Step 4: Simplify right side
964,540.62x = 703,860,685,041.08 - Step 5: Solve for x
x = 703,860,685,041.08/964,540.62 - Step 6: Final answer
x = 729,736.70
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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.