Finding the Fourth Proportional to 802,735.68, 1,107,776.80 and 445,039.68
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Solution
The fourth proportional to 802,735.68, 1,107,776.80 and 445,039.68 is: 614,155.62
Step by Step Solution
- Step 1: Write the proportion equation
802,735.68 : 1,107,776.80 = 445,039.68 : x - Step 2: Convert to fraction form
802,735.68/1,107,776.80 = 445,039.68/x - Step 3: Cross multiply
802,735.68x = 1,107,776.80 × 445,039.68 - Step 4: Simplify right side
802,735.68x = 493,004,632,583.42 - Step 5: Solve for x
x = 493,004,632,583.42/802,735.68 - Step 6: Final answer
x = 614,155.62
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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.