Finding the Fourth Proportional to 476,439.23, 714,549.69 and 284,367.84
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Solution
The fourth proportional to 476,439.23, 714,549.69 and 284,367.84 is: 426,486.61
Step by Step Solution
- Step 1: Write the proportion equation
476,439.23 : 714,549.69 = 284,367.84 : x - Step 2: Convert to fraction form
476,439.23/714,549.69 = 284,367.84/x - Step 3: Cross multiply
476,439.23x = 714,549.69 × 284,367.84 - Step 4: Simplify right side
476,439.23x = 203,194,951,917.97 - Step 5: Solve for x
x = 203,194,951,917.97/476,439.23 - Step 6: Final answer
x = 426,486.61
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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.