Finding the Fourth Proportional to 897,511.80, 1,236,046.80 and 877,916.28
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Solution
The fourth proportional to 897,511.80, 1,236,046.80 and 877,916.28 is: 1,209,059.99
Step by Step Solution
- Step 1: Write the proportion equation
897,511.80 : 1,236,046.80 = 877,916.28 : x - Step 2: Convert to fraction form
897,511.80/1,236,046.80 = 877,916.28/x - Step 3: Cross multiply
897,511.80x = 1,236,046.80 × 877,916.28 - Step 4: Simplify right side
897,511.80x = 1,085,145,608,561.90 - Step 5: Solve for x
x = 1,085,145,608,561.90/897,511.80 - Step 6: Final answer
x = 1,209,059.99
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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.