Finding the Fourth Proportional to 775,537.07, 1,070,241.12 and 453,517.72
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Solution
The fourth proportional to 775,537.07, 1,070,241.12 and 453,517.72 is: 625,854.43
Step by Step Solution
- Step 1: Write the proportion equation
775,537.07 : 1,070,241.12 = 453,517.72 : x - Step 2: Convert to fraction form
775,537.07/1,070,241.12 = 453,517.72/x - Step 3: Cross multiply
775,537.07x = 1,070,241.12 × 453,517.72 - Step 4: Simplify right side
775,537.07x = 485,373,309,917.04 - Step 5: Solve for x
x = 485,373,309,917.04/775,537.07 - Step 6: Final answer
x = 625,854.43
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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.