Finding the Fourth Proportional to 856,591.68, 1,286,064.48 and 436,150.08
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Solution
The fourth proportional to 856,591.68, 1,286,064.48 and 436,150.08 is: 654,824.39
Step by Step Solution
- Step 1: Write the proportion equation
856,591.68 : 1,286,064.48 = 436,150.08 : x - Step 2: Convert to fraction form
856,591.68/1,286,064.48 = 436,150.08/x - Step 3: Cross multiply
856,591.68x = 1,286,064.48 × 436,150.08 - Step 4: Simplify right side
856,591.68x = 560,917,125,837.16 - Step 5: Solve for x
x = 560,917,125,837.16/856,591.68 - Step 6: Final answer
x = 654,824.39
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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.