Finding the Fourth Proportional to 576,431.30, 795,442.20 and 321,798.62
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Solution
The fourth proportional to 576,431.30, 795,442.20 and 321,798.62 is: 444,063.68
Step by Step Solution
- Step 1: Write the proportion equation
576,431.30 : 795,442.20 = 321,798.62 : x - Step 2: Convert to fraction form
576,431.30/795,442.20 = 321,798.62/x - Step 3: Cross multiply
576,431.30x = 795,442.20 × 321,798.62 - Step 4: Simplify right side
576,431.30x = 255,972,202,249.76 - Step 5: Solve for x
x = 255,972,202,249.76/576,431.30 - Step 6: Final answer
x = 444,063.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.