Finding the Fourth Proportional to 863,910.79, 1,296,068.14 and 295,296.26
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Solution
The fourth proportional to 863,910.79, 1,296,068.14 and 295,296.26 is: 443,013.42
Step by Step Solution
- Step 1: Write the proportion equation
863,910.79 : 1,296,068.14 = 295,296.26 : x - Step 2: Convert to fraction form
863,910.79/1,296,068.14 = 295,296.26/x - Step 3: Cross multiply
863,910.79x = 1,296,068.14 × 295,296.26 - Step 4: Simplify right side
863,910.79x = 382,724,071,981.13 - Step 5: Solve for x
x = 382,724,071,981.13/863,910.79 - Step 6: Final answer
x = 443,013.42
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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.