Finding the Fourth Proportional to 719,093.12, 1,079,120.81 and 298,368.99
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Solution
The fourth proportional to 719,093.12, 1,079,120.81 and 298,368.99 is: 447,753.12
Step by Step Solution
- Step 1: Write the proportion equation
719,093.12 : 1,079,120.81 = 298,368.99 : x - Step 2: Convert to fraction form
719,093.12/1,079,120.81 = 298,368.99/x - Step 3: Cross multiply
719,093.12x = 1,079,120.81 × 298,368.99 - Step 4: Simplify right side
719,093.12x = 321,976,186,913.60 - Step 5: Solve for x
x = 321,976,186,913.60/719,093.12 - Step 6: Final answer
x = 447,753.12
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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.