Finding the Fourth Proportional to 800,116.18, 1,104,160.28 and 437,540.28
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Solution
The fourth proportional to 800,116.18, 1,104,160.28 and 437,540.28 is: 603,805.56
Step by Step Solution
- Step 1: Write the proportion equation
800,116.18 : 1,104,160.28 = 437,540.28 : x - Step 2: Convert to fraction form
800,116.18/1,104,160.28 = 437,540.28/x - Step 3: Cross multiply
800,116.18x = 1,104,160.28 × 437,540.28 - Step 4: Simplify right side
800,116.18x = 483,114,598,076.08 - Step 5: Solve for x
x = 483,114,598,076.08/800,116.18 - Step 6: Final answer
x = 603,805.56
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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.