Finding the Fourth Proportional to 982,768.70, 1,474,148.10 and 383,790.68
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Solution
The fourth proportional to 982,768.70, 1,474,148.10 and 383,790.68 is: 575,684.09
Step by Step Solution
- Step 1: Write the proportion equation
982,768.70 : 1,474,148.10 = 383,790.68 : x - Step 2: Convert to fraction form
982,768.70/1,474,148.10 = 383,790.68/x - Step 3: Cross multiply
982,768.70x = 1,474,148.10 × 383,790.68 - Step 4: Simplify right side
982,768.70x = 565,764,301,719.71 - Step 5: Solve for x
x = 565,764,301,719.71/982,768.70 - Step 6: Final answer
x = 575,684.09
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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.