Finding the Fourth Proportional to 731,495.37, 1,009,621.58 and 445,107.63
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Solution
The fourth proportional to 731,495.37, 1,009,621.58 and 445,107.63 is: 614,344.65
Step by Step Solution
- Step 1: Write the proportion equation
731,495.37 : 1,009,621.58 = 445,107.63 : x - Step 2: Convert to fraction form
731,495.37/1,009,621.58 = 445,107.63/x - Step 3: Cross multiply
731,495.37x = 1,009,621.58 × 445,107.63 - Step 4: Simplify right side
731,495.37x = 449,390,266,445.12 - Step 5: Solve for x
x = 449,390,266,445.12/731,495.37 - Step 6: Final answer
x = 614,344.65
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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.