Finding the Fourth Proportional to 635,944.20, 877,411.62 and 381,202.44
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Solution
The fourth proportional to 635,944.20, 877,411.62 and 381,202.44 is: 525,944.65
Step by Step Solution
- Step 1: Write the proportion equation
635,944.20 : 877,411.62 = 381,202.44 : x - Step 2: Convert to fraction form
635,944.20/877,411.62 = 381,202.44/x - Step 3: Cross multiply
635,944.20x = 877,411.62 × 381,202.44 - Step 4: Simplify right side
635,944.20x = 334,471,450,428.35 - Step 5: Solve for x
x = 334,471,450,428.35/635,944.20 - Step 6: Final answer
x = 525,944.65
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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.