Finding the Fourth Proportional to 691,696.23, 1,037,518.43 and 218,409.99
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Solution
The fourth proportional to 691,696.23, 1,037,518.43 and 218,409.99 is: 327,606.80
Step by Step Solution
- Step 1: Write the proportion equation
691,696.23 : 1,037,518.43 = 218,409.99 : x - Step 2: Convert to fraction form
691,696.23/1,037,518.43 = 218,409.99/x - Step 3: Cross multiply
691,696.23x = 1,037,518.43 × 218,409.99 - Step 4: Simplify right side
691,696.23x = 226,604,388,829.07 - Step 5: Solve for x
x = 226,604,388,829.07/691,696.23 - Step 6: Final answer
x = 327,606.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.