Finding the Fourth Proportional to 775,948.14, 1,070,201.80 and 504,103.62
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Solution
The fourth proportional to 775,948.14, 1,070,201.80 and 504,103.62 is: 695,268.89
Step by Step Solution
- Step 1: Write the proportion equation
775,948.14 : 1,070,201.80 = 504,103.62 : x - Step 2: Convert to fraction form
775,948.14/1,070,201.80 = 504,103.62/x - Step 3: Cross multiply
775,948.14x = 1,070,201.80 × 504,103.62 - Step 4: Simplify right side
775,948.14x = 539,492,600,250.26 - Step 5: Solve for x
x = 539,492,600,250.26/775,948.14 - Step 6: Final answer
x = 695,268.89
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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.