Finding the Fourth Proportional to 665,096.68, 917,906.61 and 378,570.52
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Solution
The fourth proportional to 665,096.68, 917,906.61 and 378,570.52 is: 522,468.98
Step by Step Solution
- Step 1: Write the proportion equation
665,096.68 : 917,906.61 = 378,570.52 : x - Step 2: Convert to fraction form
665,096.68/917,906.61 = 378,570.52/x - Step 3: Cross multiply
665,096.68x = 917,906.61 × 378,570.52 - Step 4: Simplify right side
665,096.68x = 347,492,382,659.14 - Step 5: Solve for x
x = 347,492,382,659.14/665,096.68 - Step 6: Final answer
x = 522,468.98
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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.