Finding the Fourth Proportional to 548,704.63, 757,241.80 and 306,972.79
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Solution
The fourth proportional to 548,704.63, 757,241.80 and 306,972.79 is: 423,638.90
Step by Step Solution
- Step 1: Write the proportion equation
548,704.63 : 757,241.80 = 306,972.79 : x - Step 2: Convert to fraction form
548,704.63/757,241.80 = 306,972.79/x - Step 3: Cross multiply
548,704.63x = 757,241.80 × 306,972.79 - Step 4: Simplify right side
548,704.63x = 232,452,624,264.41 - Step 5: Solve for x
x = 232,452,624,264.41/548,704.63 - Step 6: Final answer
x = 423,638.90
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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.