Finding the Fourth Proportional to 725,589.33, 1,088,395.07 and 276,335.07
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Solution
The fourth proportional to 725,589.33, 1,088,395.07 and 276,335.07 is: 414,506.82
Step by Step Solution
- Step 1: Write the proportion equation
725,589.33 : 1,088,395.07 = 276,335.07 : x - Step 2: Convert to fraction form
725,589.33/1,088,395.07 = 276,335.07/x - Step 3: Cross multiply
725,589.33x = 1,088,395.07 × 276,335.07 - Step 4: Simplify right side
725,589.33x = 300,761,726,474.43 - Step 5: Solve for x
x = 300,761,726,474.43/725,589.33 - Step 6: Final answer
x = 414,506.82
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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.