Finding the Fourth Proportional to 749,945.92, 1,125,006.26 and 263,478.56
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Solution
The fourth proportional to 749,945.92, 1,125,006.26 and 263,478.56 is: 395,248.54
Step by Step Solution
- Step 1: Write the proportion equation
749,945.92 : 1,125,006.26 = 263,478.56 : x - Step 2: Convert to fraction form
749,945.92/1,125,006.26 = 263,478.56/x - Step 3: Cross multiply
749,945.92x = 1,125,006.26 × 263,478.56 - Step 4: Simplify right side
749,945.92x = 296,415,029,375.79 - Step 5: Solve for x
x = 296,415,029,375.79/749,945.92 - Step 6: Final answer
x = 395,248.54
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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.