Finding the Fourth Proportional to 914,409.80, 1,371,614.70 and 852,201.80
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Solution
The fourth proportional to 914,409.80, 1,371,614.70 and 852,201.80 is: 1,278,302.70
Step by Step Solution
- Step 1: Write the proportion equation
914,409.80 : 1,371,614.70 = 852,201.80 : x - Step 2: Convert to fraction form
914,409.80/1,371,614.70 = 852,201.80/x - Step 3: Cross multiply
914,409.80x = 1,371,614.70 × 852,201.80 - Step 4: Simplify right side
914,409.80x = 1,168,892,516,246.46 - Step 5: Solve for x
x = 1,168,892,516,246.46/914,409.80 - Step 6: Final answer
x = 1,278,302.70
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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.