Finding the Fourth Proportional to 753,085.97, 1,129,665.27 and 247,635.76
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Solution
The fourth proportional to 753,085.97, 1,129,665.27 and 247,635.76 is: 371,465.58
Step by Step Solution
- Step 1: Write the proportion equation
753,085.97 : 1,129,665.27 = 247,635.76 : x - Step 2: Convert to fraction form
753,085.97/1,129,665.27 = 247,635.76/x - Step 3: Cross multiply
753,085.97x = 1,129,665.27 × 247,635.76 - Step 4: Simplify right side
753,085.97x = 279,745,514,379.22 - Step 5: Solve for x
x = 279,745,514,379.22/753,085.97 - Step 6: Final answer
x = 371,465.58
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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.