Finding the Fourth Proportional to 914,302.60, 1,371,497.10 and 283,658.20
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Solution
The fourth proportional to 914,302.60, 1,371,497.10 and 283,658.20 is: 425,500.70
Step by Step Solution
- Step 1: Write the proportion equation
914,302.60 : 1,371,497.10 = 283,658.20 : x - Step 2: Convert to fraction form
914,302.60/1,371,497.10 = 283,658.20/x - Step 3: Cross multiply
914,302.60x = 1,371,497.10 × 283,658.20 - Step 4: Simplify right side
914,302.60x = 389,036,398,691.22 - Step 5: Solve for x
x = 389,036,398,691.22/914,302.60 - Step 6: Final answer
x = 425,500.70
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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.