Finding the Fourth Proportional to 775,536.12, 1,070,218.98 and 436,026.24
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Solution
The fourth proportional to 775,536.12, 1,070,218.98 and 436,026.24 is: 601,704.48
Step by Step Solution
- Step 1: Write the proportion equation
775,536.12 : 1,070,218.98 = 436,026.24 : x - Step 2: Convert to fraction form
775,536.12/1,070,218.98 = 436,026.24/x - Step 3: Cross multiply
775,536.12x = 1,070,218.98 × 436,026.24 - Step 4: Simplify right side
775,536.12x = 466,643,557,826.04 - Step 5: Solve for x
x = 466,643,557,826.04/775,536.12 - Step 6: Final answer
x = 601,704.48
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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.