Finding the Fourth Proportional to 1,685,414.12, 2,528,373.28 and 620,375.08
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Solution
The fourth proportional to 1,685,414.12, 2,528,373.28 and 620,375.08 is: 930,655.41
Step by Step Solution
- Step 1: Write the proportion equation
1,685,414.12 : 2,528,373.28 = 620,375.08 : x - Step 2: Convert to fraction form
1,685,414.12/2,528,373.28 = 620,375.08/x - Step 3: Cross multiply
1,685,414.12x = 2,528,373.28 × 620,375.08 - Step 4: Simplify right side
1,685,414.12x = 1,568,539,775,849.86 - Step 5: Solve for x
x = 1,568,539,775,849.86/1,685,414.12 - Step 6: Final answer
x = 930,655.41
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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.