Finding the Fourth Proportional to 987,286.16, 1,362,455.88 and 534,576.08
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Solution
The fourth proportional to 987,286.16, 1,362,455.88 and 534,576.08 is: 737,715.52
Step by Step Solution
- Step 1: Write the proportion equation
987,286.16 : 1,362,455.88 = 534,576.08 : x - Step 2: Convert to fraction form
987,286.16/1,362,455.88 = 534,576.08/x - Step 3: Cross multiply
987,286.16x = 1,362,455.88 × 534,576.08 - Step 4: Simplify right side
987,286.16x = 728,336,323,503.35 - Step 5: Solve for x
x = 728,336,323,503.35/987,286.16 - Step 6: Final answer
x = 737,715.52
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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.