Finding the Fourth Proportional to 529,481.14, 730,689.62 and 287,763.73
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Solution
The fourth proportional to 529,481.14, 730,689.62 and 287,763.73 is: 397,117.02
Step by Step Solution
- Step 1: Write the proportion equation
529,481.14 : 730,689.62 = 287,763.73 : x - Step 2: Convert to fraction form
529,481.14/730,689.62 = 287,763.73/x - Step 3: Cross multiply
529,481.14x = 730,689.62 × 287,763.73 - Step 4: Simplify right side
529,481.14x = 210,265,970,523.48 - Step 5: Solve for x
x = 210,265,970,523.48/529,481.14 - Step 6: Final answer
x = 397,117.02
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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.