Finding the Fourth Proportional to 753,328.24, 1,129,992.36 and 332,520.28
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Solution
The fourth proportional to 753,328.24, 1,129,992.36 and 332,520.28 is: 498,780.42
Step by Step Solution
- Step 1: Write the proportion equation
753,328.24 : 1,129,992.36 = 332,520.28 : x - Step 2: Convert to fraction form
753,328.24/1,129,992.36 = 332,520.28/x - Step 3: Cross multiply
753,328.24x = 1,129,992.36 × 332,520.28 - Step 4: Simplify right side
753,328.24x = 375,745,371,873.13 - Step 5: Solve for x
x = 375,745,371,873.13/753,328.24 - Step 6: Final answer
x = 498,780.42
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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.