Finding the Fourth Proportional to 498,436.78, 743,840.81 and 445,248.94
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Solution
The fourth proportional to 498,436.78, 743,840.81 and 445,248.94 is: 664,466.08
Step by Step Solution
- Step 1: Write the proportion equation
498,436.78 : 743,840.81 = 445,248.94 : x - Step 2: Convert to fraction form
498,436.78/743,840.81 = 445,248.94/x - Step 3: Cross multiply
498,436.78x = 743,840.81 × 445,248.94 - Step 4: Simplify right side
498,436.78x = 331,194,332,181.24 - Step 5: Solve for x
x = 331,194,332,181.24/498,436.78 - Step 6: Final answer
x = 664,466.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.