Finding the Fourth Proportional to 721,944.75, 996,295.52 and 395,252.26
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Solution
The fourth proportional to 721,944.75, 996,295.52 and 395,252.26 is: 545,454.56
Step by Step Solution
- Step 1: Write the proportion equation
721,944.75 : 996,295.52 = 395,252.26 : x - Step 2: Convert to fraction form
721,944.75/996,295.52 = 395,252.26/x - Step 3: Cross multiply
721,944.75x = 996,295.52 × 395,252.26 - Step 4: Simplify right side
721,944.75x = 393,788,053,293.62 - Step 5: Solve for x
x = 393,788,053,293.62/721,944.75 - Step 6: Final answer
x = 545,454.56
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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.