Finding the Fourth Proportional to 775,544.63, 1,070,251.58 and 436,015.31
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Solution
The fourth proportional to 775,544.63, 1,070,251.58 and 436,015.31 is: 601,701.12
Step by Step Solution
- Step 1: Write the proportion equation
775,544.63 : 1,070,251.58 = 436,015.31 : x - Step 2: Convert to fraction form
775,544.63/1,070,251.58 = 436,015.31/x - Step 3: Cross multiply
775,544.63x = 1,070,251.58 × 436,015.31 - Step 4: Simplify right side
775,544.63x = 466,646,070,170.47 - Step 5: Solve for x
x = 466,646,070,170.47/775,544.63 - Step 6: Final answer
x = 601,701.12
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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.