Finding the Fourth Proportional to 1,115,340.82, 1,673,012.18 and 305,734.05
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Solution
The fourth proportional to 1,115,340.82, 1,673,012.18 and 305,734.05 is: 458,601.34
Step by Step Solution
- Step 1: Write the proportion equation
1,115,340.82 : 1,673,012.18 = 305,734.05 : x - Step 2: Convert to fraction form
1,115,340.82/1,673,012.18 = 305,734.05/x - Step 3: Cross multiply
1,115,340.82x = 1,673,012.18 × 305,734.05 - Step 4: Simplify right side
1,115,340.82x = 511,496,790,255.06 - Step 5: Solve for x
x = 511,496,790,255.06/1,115,340.82 - Step 6: Final answer
x = 458,601.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.