Finding the Fourth Proportional to 726,317.16, 1,089,465.36 and 326,674.44
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Solution
The fourth proportional to 726,317.16, 1,089,465.36 and 326,674.44 is: 490,006.99
Step by Step Solution
- Step 1: Write the proportion equation
726,317.16 : 1,089,465.36 = 326,674.44 : x - Step 2: Convert to fraction form
726,317.16/1,089,465.36 = 326,674.44/x - Step 3: Cross multiply
726,317.16x = 1,089,465.36 × 326,674.44 - Step 4: Simplify right side
726,317.16x = 355,900,486,377.40 - Step 5: Solve for x
x = 355,900,486,377.40/726,317.16 - Step 6: Final answer
x = 490,006.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.