Finding the Fourth Proportional to 702,138.48, 1,053,237.84 and 275,766.73
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Solution
The fourth proportional to 702,138.48, 1,053,237.84 and 275,766.73 is: 413,661.92
Step by Step Solution
- Step 1: Write the proportion equation
702,138.48 : 1,053,237.84 = 275,766.73 : x - Step 2: Convert to fraction form
702,138.48/1,053,237.84 = 275,766.73/x - Step 3: Cross multiply
702,138.48x = 1,053,237.84 × 275,766.73 - Step 4: Simplify right side
702,138.48x = 290,447,951,381.84 - Step 5: Solve for x
x = 290,447,951,381.84/702,138.48 - Step 6: Final answer
x = 413,661.92
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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.