Finding the Fourth Proportional to 809,302.18, 1,116,836.84 and 446,725.95
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Solution
The fourth proportional to 809,302.18, 1,116,836.84 and 446,725.95 is: 616,481.72
Step by Step Solution
- Step 1: Write the proportion equation
809,302.18 : 1,116,836.84 = 446,725.95 : x - Step 2: Convert to fraction form
809,302.18/1,116,836.84 = 446,725.95/x - Step 3: Cross multiply
809,302.18x = 1,116,836.84 × 446,725.95 - Step 4: Simplify right side
809,302.18x = 498,919,998,344.00 - Step 5: Solve for x
x = 498,919,998,344.00/809,302.18 - Step 6: Final answer
x = 616,481.72
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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.