Finding the Fourth Proportional to 914,752.48, 1,372,261.56 and 283,717.12
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Solution
The fourth proportional to 914,752.48, 1,372,261.56 and 283,717.12 is: 425,616.88
Step by Step Solution
- Step 1: Write the proportion equation
914,752.48 : 1,372,261.56 = 283,717.12 : x - Step 2: Convert to fraction form
914,752.48/1,372,261.56 = 283,717.12/x - Step 3: Cross multiply
914,752.48x = 1,372,261.56 × 283,717.12 - Step 4: Simplify right side
914,752.48x = 389,334,097,689.91 - Step 5: Solve for x
x = 389,334,097,689.91/914,752.48 - Step 6: Final answer
x = 425,616.88
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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.