Finding the Fourth Proportional to 775,854.92, 1,070,662.96 and 449,181.69
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Solution
The fourth proportional to 775,854.92, 1,070,662.96 and 449,181.69 is: 619,860.99
Step by Step Solution
- Step 1: Write the proportion equation
775,854.92 : 1,070,662.96 = 449,181.69 : x - Step 2: Convert to fraction form
775,854.92/1,070,662.96 = 449,181.69/x - Step 3: Cross multiply
775,854.92x = 1,070,662.96 × 449,181.69 - Step 4: Simplify right side
775,854.92x = 480,922,197,793.20 - Step 5: Solve for x
x = 480,922,197,793.20/775,854.92 - Step 6: Final answer
x = 619,860.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.