Finding the Fourth Proportional to 504,888.12, 696,709.74 and 284,157.62
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Solution
The fourth proportional to 504,888.12, 696,709.74 and 284,157.62 is: 392,117.33
Step by Step Solution
- Step 1: Write the proportion equation
504,888.12 : 696,709.74 = 284,157.62 : x - Step 2: Convert to fraction form
504,888.12/696,709.74 = 284,157.62/x - Step 3: Cross multiply
504,888.12x = 696,709.74 × 284,157.62 - Step 4: Simplify right side
504,888.12x = 197,975,381,549.22 - Step 5: Solve for x
x = 197,975,381,549.22/504,888.12 - Step 6: Final answer
x = 392,117.33
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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.