Finding the Fourth Proportional to 890,074.80, 1,335,111.93 and 591,138.99
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Solution
The fourth proportional to 890,074.80, 1,335,111.93 and 591,138.99 is: 886,708.31
Step by Step Solution
- Step 1: Write the proportion equation
890,074.80 : 1,335,111.93 = 591,138.99 : x - Step 2: Convert to fraction form
890,074.80/1,335,111.93 = 591,138.99/x - Step 3: Cross multiply
890,074.80x = 1,335,111.93 × 591,138.99 - Step 4: Simplify right side
890,074.80x = 789,236,717,837.15 - Step 5: Solve for x
x = 789,236,717,837.15/890,074.80 - Step 6: Final answer
x = 886,708.31
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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.