Finding the Fourth Proportional to 871,582.08, 1,306,763.28 and 445,249.92
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Solution
The fourth proportional to 871,582.08, 1,306,763.28 and 445,249.92 is: 667,563.34
Step by Step Solution
- Step 1: Write the proportion equation
871,582.08 : 1,306,763.28 = 445,249.92 : x - Step 2: Convert to fraction form
871,582.08/1,306,763.28 = 445,249.92/x - Step 3: Cross multiply
871,582.08x = 1,306,763.28 × 445,249.92 - Step 4: Simplify right side
871,582.08x = 581,836,245,878.94 - Step 5: Solve for x
x = 581,836,245,878.94/871,582.08 - Step 6: Final answer
x = 667,563.34
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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.