Finding the Fourth Proportional to 984,128.94, 1,358,102.70 and 554,415.84
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Solution
The fourth proportional to 984,128.94, 1,358,102.70 and 554,415.84 is: 765,096.54
Step by Step Solution
- Step 1: Write the proportion equation
984,128.94 : 1,358,102.70 = 554,415.84 : x - Step 2: Convert to fraction form
984,128.94/1,358,102.70 = 554,415.84/x - Step 3: Cross multiply
984,128.94x = 1,358,102.70 × 554,415.84 - Step 4: Simplify right side
984,128.94x = 752,953,649,226.77 - Step 5: Solve for x
x = 752,953,649,226.77/984,128.94 - Step 6: Final answer
x = 765,096.54
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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.