Finding the Fourth Proportional to 887,147.79, 1,330,850.14 and 279,729.93
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Solution
The fourth proportional to 887,147.79, 1,330,850.14 and 279,729.93 is: 419,635.40
Step by Step Solution
- Step 1: Write the proportion equation
887,147.79 : 1,330,850.14 = 279,729.93 : x - Step 2: Convert to fraction form
887,147.79/1,330,850.14 = 279,729.93/x - Step 3: Cross multiply
887,147.79x = 1,330,850.14 × 279,729.93 - Step 4: Simplify right side
887,147.79x = 372,278,620,119.24 - Step 5: Solve for x
x = 372,278,620,119.24/887,147.79 - Step 6: Final answer
x = 419,635.40
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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.