Finding the Fourth Proportional to 618,034.08, 925,465.68 and 428,224.80
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Solution
The fourth proportional to 618,034.08, 925,465.68 and 428,224.80 is: 641,238.68
Step by Step Solution
- Step 1: Write the proportion equation
618,034.08 : 925,465.68 = 428,224.80 : x - Step 2: Convert to fraction form
618,034.08/925,465.68 = 428,224.80/x - Step 3: Cross multiply
618,034.08x = 925,465.68 × 428,224.80 - Step 4: Simplify right side
618,034.08x = 396,307,355,724.86 - Step 5: Solve for x
x = 396,307,355,724.86/618,034.08 - Step 6: Final answer
x = 641,238.68
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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.