Finding the Fourth Proportional to 775,564.82, 1,163,361.80 and 243,074.06
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Solution
The fourth proportional to 775,564.82, 1,163,361.80 and 243,074.06 is: 364,615.66
Step by Step Solution
- Step 1: Write the proportion equation
775,564.82 : 1,163,361.80 = 243,074.06 : x - Step 2: Convert to fraction form
775,564.82/1,163,361.80 = 243,074.06/x - Step 3: Cross multiply
775,564.82x = 1,163,361.80 × 243,074.06 - Step 4: Simplify right side
775,564.82x = 282,783,075,974.91 - Step 5: Solve for x
x = 282,783,075,974.91/775,564.82 - Step 6: Final answer
x = 364,615.66
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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.