Finding the Fourth Proportional to 939,183.87, 1,408,888.08 and 331,846.48
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Solution
The fourth proportional to 939,183.87, 1,408,888.08 and 331,846.48 is: 497,809.39
Step by Step Solution
- Step 1: Write the proportion equation
939,183.87 : 1,408,888.08 = 331,846.48 : x - Step 2: Convert to fraction form
939,183.87/1,408,888.08 = 331,846.48/x - Step 3: Cross multiply
939,183.87x = 1,408,888.08 × 331,846.48 - Step 4: Simplify right side
939,183.87x = 467,534,546,539.74 - Step 5: Solve for x
x = 467,534,546,539.74/939,183.87 - Step 6: Final answer
x = 497,809.39
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1.5x scale
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.