Finding the Fourth Proportional to 958,286.74, 1,437,119.10 and 318,418.63
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Solution
The fourth proportional to 958,286.74, 1,437,119.10 and 318,418.63 is: 477,524.60
Step by Step Solution
- Step 1: Write the proportion equation
958,286.74 : 1,437,119.10 = 318,418.63 : x - Step 2: Convert to fraction form
958,286.74/1,437,119.10 = 318,418.63/x - Step 3: Cross multiply
958,286.74x = 1,437,119.10 × 318,418.63 - Step 4: Simplify right side
958,286.74x = 457,605,494,968.83 - Step 5: Solve for x
x = 457,605,494,968.83/958,286.74 - Step 6: Final answer
x = 477,524.60
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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.