Finding the Fourth Proportional to 486,529.12, 730,003.92 and 261,626.68
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Solution
The fourth proportional to 486,529.12, 730,003.92 and 261,626.68 is: 392,553.07
Step by Step Solution
- Step 1: Write the proportion equation
486,529.12 : 730,003.92 = 261,626.68 : x - Step 2: Convert to fraction form
486,529.12/730,003.92 = 261,626.68/x - Step 3: Cross multiply
486,529.12x = 730,003.92 × 261,626.68 - Step 4: Simplify right side
486,529.12x = 190,988,501,976.59 - Step 5: Solve for x
x = 190,988,501,976.59/486,529.12 - Step 6: Final answer
x = 392,553.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.