Finding the Fourth Proportional to 633,654.54, 874,409.84 and 361,711.62
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Solution
The fourth proportional to 633,654.54, 874,409.84 and 361,711.62 is: 499,142.96
Step by Step Solution
- Step 1: Write the proportion equation
633,654.54 : 874,409.84 = 361,711.62 : x - Step 2: Convert to fraction form
633,654.54/874,409.84 = 361,711.62/x - Step 3: Cross multiply
633,654.54x = 874,409.84 × 361,711.62 - Step 4: Simplify right side
633,654.54x = 316,284,199,770.34 - Step 5: Solve for x
x = 316,284,199,770.34/633,654.54 - Step 6: Final answer
x = 499,142.96
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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.