Finding the Fourth Proportional to 840,450.22, 1,159,876.11 and 477,907.81
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Solution
The fourth proportional to 840,450.22, 1,159,876.11 and 477,907.81 is: 659,543.94
Step by Step Solution
- Step 1: Write the proportion equation
840,450.22 : 1,159,876.11 = 477,907.81 : x - Step 2: Convert to fraction form
840,450.22/1,159,876.11 = 477,907.81/x - Step 3: Cross multiply
840,450.22x = 1,159,876.11 × 477,907.81 - Step 4: Simplify right side
840,450.22x = 554,313,851,601.42 - Step 5: Solve for x
x = 554,313,851,601.42/840,450.22 - Step 6: Final answer
x = 659,543.94
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1.5x scale
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.