Finding the Fourth Proportional to 890,197.97, 1,228,473.34 and 482,302.62
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Solution
The fourth proportional to 890,197.97, 1,228,473.34 and 482,302.62 is: 665,577.69
Step by Step Solution
- Step 1: Write the proportion equation
890,197.97 : 1,228,473.34 = 482,302.62 : x - Step 2: Convert to fraction form
890,197.97/1,228,473.34 = 482,302.62/x - Step 3: Cross multiply
890,197.97x = 1,228,473.34 × 482,302.62 - Step 4: Simplify right side
890,197.97x = 592,495,909,276.39 - Step 5: Solve for x
x = 592,495,909,276.39/890,197.97 - Step 6: Final answer
x = 665,577.69
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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.