Finding the Fourth Proportional to 854,671.44, 1,282,009.35 and 349,232.43
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Solution
The fourth proportional to 854,671.44, 1,282,009.35 and 349,232.43 is: 523,849.54
Step by Step Solution
- Step 1: Write the proportion equation
854,671.44 : 1,282,009.35 = 349,232.43 : x - Step 2: Convert to fraction form
854,671.44/1,282,009.35 = 349,232.43/x - Step 3: Cross multiply
854,671.44x = 1,282,009.35 × 349,232.43 - Step 4: Simplify right side
854,671.44x = 447,719,240,583.22 - Step 5: Solve for x
x = 447,719,240,583.22/854,671.44 - Step 6: Final answer
x = 523,849.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.