Finding the Fourth Proportional to 627,613.26, 866,069.64 and 341,130.84
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Solution
The fourth proportional to 627,613.26, 866,069.64 and 341,130.84 is: 470,740.63
Step by Step Solution
- Step 1: Write the proportion equation
627,613.26 : 866,069.64 = 341,130.84 : x - Step 2: Convert to fraction form
627,613.26/866,069.64 = 341,130.84/x - Step 3: Cross multiply
627,613.26x = 866,069.64 × 341,130.84 - Step 4: Simplify right side
627,613.26x = 295,443,063,791.70 - Step 5: Solve for x
x = 295,443,063,791.70/627,613.26 - Step 6: Final answer
x = 470,740.63
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1.5x scale
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.