Finding the Fourth Proportional to 627,272.28, 865,445.04 and 355,296.96
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Solution
The fourth proportional to 627,272.28, 865,445.04 and 355,296.96 is: 490,201.79
Step by Step Solution
- Step 1: Write the proportion equation
627,272.28 : 865,445.04 = 355,296.96 : x - Step 2: Convert to fraction form
627,272.28/865,445.04 = 355,296.96/x - Step 3: Cross multiply
627,272.28x = 865,445.04 × 355,296.96 - Step 4: Simplify right side
627,272.28x = 307,489,991,759.08 - Step 5: Solve for x
x = 307,489,991,759.08/627,272.28 - Step 6: Final answer
x = 490,201.79
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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.