Finding the Fourth Proportional to 729,286.08, 1,094,418.36 and 255,972.84
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Solution
The fourth proportional to 729,286.08, 1,094,418.36 and 255,972.84 is: 384,130.98
Step by Step Solution
- Step 1: Write the proportion equation
729,286.08 : 1,094,418.36 = 255,972.84 : x - Step 2: Convert to fraction form
729,286.08/1,094,418.36 = 255,972.84/x - Step 3: Cross multiply
729,286.08x = 1,094,418.36 × 255,972.84 - Step 4: Simplify right side
729,286.08x = 280,141,375,757.34 - Step 5: Solve for x
x = 280,141,375,757.34/729,286.08 - Step 6: Final answer
x = 384,130.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.