Finding the Fourth Proportional to 804,968.10, 1,207,452.15 and 385,064.10
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Solution
The fourth proportional to 804,968.10, 1,207,452.15 and 385,064.10 is: 577,596.15
Step by Step Solution
- Step 1: Write the proportion equation
804,968.10 : 1,207,452.15 = 385,064.10 : x - Step 2: Convert to fraction form
804,968.10/1,207,452.15 = 385,064.10/x - Step 3: Cross multiply
804,968.10x = 1,207,452.15 × 385,064.10 - Step 4: Simplify right side
804,968.10x = 464,946,475,432.82 - Step 5: Solve for x
x = 464,946,475,432.82/804,968.10 - Step 6: Final answer
x = 577,596.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.