Finding the Fourth Proportional to 661,591.68, 991,938.40 and 336,580.99
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Solution
The fourth proportional to 661,591.68, 991,938.40 and 336,580.99 is: 504,643.00
Step by Step Solution
- Step 1: Write the proportion equation
661,591.68 : 991,938.40 = 336,580.99 : x - Step 2: Convert to fraction form
661,591.68/991,938.40 = 336,580.99/x - Step 3: Cross multiply
661,591.68x = 991,938.40 × 336,580.99 - Step 4: Simplify right side
661,591.68x = 333,867,608,691.02 - Step 5: Solve for x
x = 333,867,608,691.02/661,591.68 - Step 6: Final answer
x = 504,643.00
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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.