Finding the Fourth Proportional to 529,537.10, 730,761.36 and 287,819.74
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Solution
The fourth proportional to 529,537.10, 730,761.36 and 287,819.74 is: 397,191.33
Step by Step Solution
- Step 1: Write the proportion equation
529,537.10 : 730,761.36 = 287,819.74 : x - Step 2: Convert to fraction form
529,537.10/730,761.36 = 287,819.74/x - Step 3: Cross multiply
529,537.10x = 730,761.36 × 287,819.74 - Step 4: Simplify right side
529,537.10x = 210,327,544,637.25 - Step 5: Solve for x
x = 210,327,544,637.25/529,537.10 - Step 6: Final answer
x = 397,191.33
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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.