Finding the Fourth Proportional to 860,307.23, 1,289,706.32 and 327,473.84
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Solution
The fourth proportional to 860,307.23, 1,289,706.32 and 327,473.84 is: 490,923.56
Step by Step Solution
- Step 1: Write the proportion equation
860,307.23 : 1,289,706.32 = 327,473.84 : x - Step 2: Convert to fraction form
860,307.23/1,289,706.32 = 327,473.84/x - Step 3: Cross multiply
860,307.23x = 1,289,706.32 × 327,473.84 - Step 4: Simplify right side
860,307.23x = 422,345,085,125.62 - Step 5: Solve for x
x = 422,345,085,125.62/860,307.23 - Step 6: Final answer
x = 490,923.56
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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.