Finding the Fourth Proportional to 867,118.27, 1,196,523.39 and 499,648.99
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Solution
The fourth proportional to 867,118.27, 1,196,523.39 and 499,648.99 is: 689,458.09
Step by Step Solution
- Step 1: Write the proportion equation
867,118.27 : 1,196,523.39 = 499,648.99 : x - Step 2: Convert to fraction form
867,118.27/1,196,523.39 = 499,648.99/x - Step 3: Cross multiply
867,118.27x = 1,196,523.39 × 499,648.99 - Step 4: Simplify right side
867,118.27x = 597,841,703,324.88 - Step 5: Solve for x
x = 597,841,703,324.88/867,118.27 - Step 6: Final answer
x = 689,458.09
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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.