Finding the Fourth Proportional to 627,873.12, 866,452.68 and 341,390.70
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Solution
The fourth proportional to 627,873.12, 866,452.68 and 341,390.70 is: 471,112.52
Step by Step Solution
- Step 1: Write the proportion equation
627,873.12 : 866,452.68 = 341,390.70 : x - Step 2: Convert to fraction form
627,873.12/866,452.68 = 341,390.70/x - Step 3: Cross multiply
627,873.12x = 866,452.68 × 341,390.70 - Step 4: Simplify right side
627,873.12x = 295,798,886,942.08 - Step 5: Solve for x
x = 295,798,886,942.08/627,873.12 - Step 6: Final answer
x = 471,112.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.