Finding the Fourth Proportional to 752,821.92, 1,128,994.92 and 247,299.84
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Solution
The fourth proportional to 752,821.92, 1,128,994.92 and 247,299.84 is: 370,871.59
Step by Step Solution
- Step 1: Write the proportion equation
752,821.92 : 1,128,994.92 = 247,299.84 : x - Step 2: Convert to fraction form
752,821.92/1,128,994.92 = 247,299.84/x - Step 3: Cross multiply
752,821.92x = 1,128,994.92 × 247,299.84 - Step 4: Simplify right side
752,821.92x = 279,200,263,076.81 - Step 5: Solve for x
x = 279,200,263,076.81/752,821.92 - Step 6: Final answer
x = 370,871.59
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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.