Finding the Fourth Proportional to 711,431.04, 1,067,148.36 and 290,706.84
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Solution
The fourth proportional to 711,431.04, 1,067,148.36 and 290,706.84 is: 436,061.00
Step by Step Solution
- Step 1: Write the proportion equation
711,431.04 : 1,067,148.36 = 290,706.84 : x - Step 2: Convert to fraction form
711,431.04/1,067,148.36 = 290,706.84/x - Step 3: Cross multiply
711,431.04x = 1,067,148.36 × 290,706.84 - Step 4: Simplify right side
711,431.04x = 310,227,327,546.78 - Step 5: Solve for x
x = 310,227,327,546.78/711,431.04 - Step 6: Final answer
x = 436,061.00
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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.