Finding the Fourth Proportional to 725,586.33, 1,088,390.57 and 276,332.07
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Solution
The fourth proportional to 725,586.33, 1,088,390.57 and 276,332.07 is: 414,502.32
Step by Step Solution
- Step 1: Write the proportion equation
725,586.33 : 1,088,390.57 = 276,332.07 : x - Step 2: Convert to fraction form
725,586.33/1,088,390.57 = 276,332.07/x - Step 3: Cross multiply
725,586.33x = 1,088,390.57 × 276,332.07 - Step 4: Simplify right side
725,586.33x = 300,757,217,794.92 - Step 5: Solve for x
x = 300,757,217,794.92/725,586.33 - Step 6: Final answer
x = 414,502.32
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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.