Finding the Fourth Proportional to 914,663.10, 1,371,994.65 and 283,640.70
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Solution
The fourth proportional to 914,663.10, 1,371,994.65 and 283,640.70 is: 425,461.05
Step by Step Solution
- Step 1: Write the proportion equation
914,663.10 : 1,371,994.65 = 283,640.70 : x - Step 2: Convert to fraction form
914,663.10/1,371,994.65 = 283,640.70/x - Step 3: Cross multiply
914,663.10x = 1,371,994.65 × 283,640.70 - Step 4: Simplify right side
914,663.10x = 389,153,522,922.26 - Step 5: Solve for x
x = 389,153,522,922.26/914,663.10 - Step 6: Final answer
x = 425,461.05
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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.