Finding the Fourth Proportional to 984,218.16, 1,358,235.36 and 548,623.92
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Solution
The fourth proportional to 984,218.16, 1,358,235.36 and 548,623.92 is: 757,108.98
Step by Step Solution
- Step 1: Write the proportion equation
984,218.16 : 1,358,235.36 = 548,623.92 : x - Step 2: Convert to fraction form
984,218.16/1,358,235.36 = 548,623.92/x - Step 3: Cross multiply
984,218.16x = 1,358,235.36 × 548,623.92 - Step 4: Simplify right side
984,218.16x = 745,160,407,485.81 - Step 5: Solve for x
x = 745,160,407,485.81/984,218.16 - Step 6: Final answer
x = 757,108.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.