Finding the Fourth Proportional to 635,340.70, 877,019.97 and 380,642.68
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Solution
The fourth proportional to 635,340.70, 877,019.97 and 380,642.68 is: 525,436.56
Step by Step Solution
- Step 1: Write the proportion equation
635,340.70 : 877,019.97 = 380,642.68 : x - Step 2: Convert to fraction form
635,340.70/877,019.97 = 380,642.68/x - Step 3: Cross multiply
635,340.70x = 877,019.97 × 380,642.68 - Step 4: Simplify right side
635,340.70x = 333,831,231,794.32 - Step 5: Solve for x
x = 333,831,231,794.32/635,340.70 - Step 6: Final answer
x = 525,436.56
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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.