Finding the Fourth Proportional to 775,906.68, 1,070,590.66 and 453,554.44
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Solution
The fourth proportional to 775,906.68, 1,070,590.66 and 453,554.44 is: 625,811.27
Step by Step Solution
- Step 1: Write the proportion equation
775,906.68 : 1,070,590.66 = 453,554.44 : x - Step 2: Convert to fraction form
775,906.68/1,070,590.66 = 453,554.44/x - Step 3: Cross multiply
775,906.68x = 1,070,590.66 × 453,554.44 - Step 4: Simplify right side
775,906.68x = 485,571,147,265.53 - Step 5: Solve for x
x = 485,571,147,265.53/775,906.68 - Step 6: Final answer
x = 625,811.27
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1.5x scale
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.