Finding the Fourth Proportional to 805,775.32, 1,208,800.68 and 332,201.80
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Solution
The fourth proportional to 805,775.32, 1,208,800.68 and 332,201.80 is: 498,359.47
Step by Step Solution
- Step 1: Write the proportion equation
805,775.32 : 1,208,800.68 = 332,201.80 : x - Step 2: Convert to fraction form
805,775.32/1,208,800.68 = 332,201.80/x - Step 3: Cross multiply
805,775.32x = 1,208,800.68 × 332,201.80 - Step 4: Simplify right side
805,775.32x = 401,565,761,737.22 - Step 5: Solve for x
x = 401,565,761,737.22/805,775.32 - Step 6: Final answer
x = 498,359.47
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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.