Finding the Fourth Proportional to 773,734.68, 1,067,703.12 and 451,392.75
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Solution
The fourth proportional to 773,734.68, 1,067,703.12 and 451,392.75 is: 622,892.39
Step by Step Solution
- Step 1: Write the proportion equation
773,734.68 : 1,067,703.12 = 451,392.75 : x - Step 2: Convert to fraction form
773,734.68/1,067,703.12 = 451,392.75/x - Step 3: Cross multiply
773,734.68x = 1,067,703.12 × 451,392.75 - Step 4: Simplify right side
773,734.68x = 481,953,447,520.38 - Step 5: Solve for x
x = 481,953,447,520.38/773,734.68 - Step 6: Final answer
x = 622,892.39
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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.