Finding the Fourth Proportional to 711,815.97, 982,306.11 and 389,526.09
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Solution
The fourth proportional to 711,815.97, 982,306.11 and 389,526.09 is: 537,546.04
Step by Step Solution
- Step 1: Write the proportion equation
711,815.97 : 982,306.11 = 389,526.09 : x - Step 2: Convert to fraction form
711,815.97/982,306.11 = 389,526.09/x - Step 3: Cross multiply
711,815.97x = 982,306.11 × 389,526.09 - Step 4: Simplify right side
711,815.97x = 382,633,858,211.41 - Step 5: Solve for x
x = 382,633,858,211.41/711,815.97 - Step 6: Final answer
x = 537,546.04
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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.