Finding the Fourth Proportional to 662,944.35, 914,869.26 and 401,305.68
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Solution
The fourth proportional to 662,944.35, 914,869.26 and 401,305.68 is: 553,805.50
Step by Step Solution
- Step 1: Write the proportion equation
662,944.35 : 914,869.26 = 401,305.68 : x - Step 2: Convert to fraction form
662,944.35/914,869.26 = 401,305.68/x - Step 3: Cross multiply
662,944.35x = 914,869.26 × 401,305.68 - Step 4: Simplify right side
662,944.35x = 367,142,230,495.40 - Step 5: Solve for x
x = 367,142,230,495.40/662,944.35 - Step 6: Final answer
x = 553,805.50
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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.