Finding the Fourth Proportional to 731,495.62, 1,009,621.92 and 445,107.88
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Solution
The fourth proportional to 731,495.62, 1,009,621.92 and 445,107.88 is: 614,344.99
Step by Step Solution
- Step 1: Write the proportion equation
731,495.62 : 1,009,621.92 = 445,107.88 : x - Step 2: Convert to fraction form
731,495.62/1,009,621.92 = 445,107.88/x - Step 3: Cross multiply
731,495.62x = 1,009,621.92 × 445,107.88 - Step 4: Simplify right side
731,495.62x = 449,390,672,412.73 - Step 5: Solve for x
x = 449,390,672,412.73/731,495.62 - Step 6: Final answer
x = 614,344.99
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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.