Finding the Fourth Proportional to 725,912.27, 1,001,770.50 and 399,239.58
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Solution
The fourth proportional to 725,912.27, 1,001,770.50 and 399,239.58 is: 550,956.99
Step by Step Solution
- Step 1: Write the proportion equation
725,912.27 : 1,001,770.50 = 399,239.58 : x - Step 2: Convert to fraction form
725,912.27/1,001,770.50 = 399,239.58/x - Step 3: Cross multiply
725,912.27x = 1,001,770.50 × 399,239.58 - Step 4: Simplify right side
725,912.27x = 399,946,437,245.87 - Step 5: Solve for x
x = 399,946,437,245.87/725,912.27 - Step 6: Final answer
x = 550,956.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.