Finding the Fourth Proportional to 904,635.21, 1,248,339.81 and 496,734.19
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Solution
The fourth proportional to 904,635.21, 1,248,339.81 and 496,734.19 is: 685,462.01
Step by Step Solution
- Step 1: Write the proportion equation
904,635.21 : 1,248,339.81 = 496,734.19 : x - Step 2: Convert to fraction form
904,635.21/1,248,339.81 = 496,734.19/x - Step 3: Cross multiply
904,635.21x = 1,248,339.81 × 496,734.19 - Step 4: Simplify right side
904,635.21x = 620,093,067,788.28 - Step 5: Solve for x
x = 620,093,067,788.28/904,635.21 - Step 6: Final answer
x = 685,462.01
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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.