Finding the Fourth Proportional to 658,630.96, 908,911.68 and 356,824.96
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Solution
The fourth proportional to 658,630.96, 908,911.68 and 356,824.96 is: 492,418.96
Step by Step Solution
- Step 1: Write the proportion equation
658,630.96 : 908,911.68 = 356,824.96 : x - Step 2: Convert to fraction form
658,630.96/908,911.68 = 356,824.96/x - Step 3: Cross multiply
658,630.96x = 908,911.68 × 356,824.96 - Step 4: Simplify right side
658,630.96x = 324,322,373,859.53 - Step 5: Solve for x
x = 324,322,373,859.53/658,630.96 - Step 6: Final answer
x = 492,418.96
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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.