Finding the Fourth Proportional to 498,434.28, 743,837.08 and 445,246.44
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Solution
The fourth proportional to 498,434.28, 743,837.08 and 445,246.44 is: 664,462.35
Step by Step Solution
- Step 1: Write the proportion equation
498,434.28 : 743,837.08 = 445,246.44 : x - Step 2: Convert to fraction form
498,434.28/743,837.08 = 445,246.44/x - Step 3: Cross multiply
498,434.28x = 743,837.08 × 445,246.44 - Step 4: Simplify right side
498,434.28x = 331,190,811,810.00 - Step 5: Solve for x
x = 331,190,811,810.00/498,434.28 - Step 6: Final answer
x = 664,462.35
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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.