Finding the Fourth Proportional to 635,414.63, 876,872.18 and 348,939.50
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Solution
The fourth proportional to 635,414.63, 876,872.18 and 348,939.50 is: 481,536.50
Step by Step Solution
- Step 1: Write the proportion equation
635,414.63 : 876,872.18 = 348,939.50 : x - Step 2: Convert to fraction form
635,414.63/876,872.18 = 348,939.50/x - Step 3: Cross multiply
635,414.63x = 876,872.18 × 348,939.50 - Step 4: Simplify right side
635,414.63x = 305,975,336,541.10 - Step 5: Solve for x
x = 305,975,336,541.10/635,414.63 - Step 6: Final answer
x = 481,536.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.