Finding the Fourth Proportional to 804,962.38, 1,110,794.22 and 442,378.42
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Solution
The fourth proportional to 804,962.38, 1,110,794.22 and 442,378.42 is: 610,452.62
Step by Step Solution
- Step 1: Write the proportion equation
804,962.38 : 1,110,794.22 = 442,378.42 : x - Step 2: Convert to fraction form
804,962.38/1,110,794.22 = 442,378.42/x - Step 3: Cross multiply
804,962.38x = 1,110,794.22 × 442,378.42 - Step 4: Simplify right side
804,962.38x = 491,391,391,988.73 - Step 5: Solve for x
x = 491,391,391,988.73/804,962.38 - Step 6: Final answer
x = 610,452.62
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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.