Finding the Fourth Proportional to 959,165.70, 1,438,748.55 and 918,212.10
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Solution
The fourth proportional to 959,165.70, 1,438,748.55 and 918,212.10 is: 1,377,318.15
Step by Step Solution
- Step 1: Write the proportion equation
959,165.70 : 1,438,748.55 = 918,212.10 : x - Step 2: Convert to fraction form
959,165.70/1,438,748.55 = 918,212.10/x - Step 3: Cross multiply
959,165.70x = 1,438,748.55 × 918,212.10 - Step 4: Simplify right side
959,165.70x = 1,321,076,327,467.46 - Step 5: Solve for x
x = 1,321,076,327,467.46/959,165.70 - Step 6: Final answer
x = 1,377,318.15
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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.