Finding the Fourth Proportional to 711,415.97, 1,067,125.77 and 290,691.84
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Solution
The fourth proportional to 711,415.97, 1,067,125.77 and 290,691.84 is: 436,038.50
Step by Step Solution
- Step 1: Write the proportion equation
711,415.97 : 1,067,125.77 = 290,691.84 : x - Step 2: Convert to fraction form
711,415.97/1,067,125.77 = 290,691.84/x - Step 3: Cross multiply
711,415.97x = 1,067,125.77 × 290,691.84 - Step 4: Simplify right side
711,415.97x = 310,204,753,592.72 - Step 5: Solve for x
x = 310,204,753,592.72/711,415.97 - Step 6: Final answer
x = 436,038.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.