Finding the Fourth Proportional to 881,454.09, 1,322,144.21 and 282,401.99
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Solution
The fourth proportional to 881,454.09, 1,322,144.21 and 282,401.99 is: 423,591.15
Step by Step Solution
- Step 1: Write the proportion equation
881,454.09 : 1,322,144.21 = 282,401.99 : x - Step 2: Convert to fraction form
881,454.09/1,322,144.21 = 282,401.99/x - Step 3: Cross multiply
881,454.09x = 1,322,144.21 × 282,401.99 - Step 4: Simplify right side
881,454.09x = 373,376,147,948.25 - Step 5: Solve for x
x = 373,376,147,948.25/881,454.09 - Step 6: Final answer
x = 423,591.15
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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.