Finding the Fourth Proportional to 979,802.65, 1,469,704.08 and 305,941.68
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Solution
The fourth proportional to 979,802.65, 1,469,704.08 and 305,941.68 is: 458,912.55
Step by Step Solution
- Step 1: Write the proportion equation
979,802.65 : 1,469,704.08 = 305,941.68 : x - Step 2: Convert to fraction form
979,802.65/1,469,704.08 = 305,941.68/x - Step 3: Cross multiply
979,802.65x = 1,469,704.08 × 305,941.68 - Step 4: Simplify right side
979,802.65x = 449,643,735,338.05 - Step 5: Solve for x
x = 449,643,735,338.05/979,802.65 - Step 6: Final answer
x = 458,912.55
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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.