Finding the Fourth Proportional to 643,704.62, 965,725.17 and 373,573.08
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Solution
The fourth proportional to 643,704.62, 965,725.17 and 373,573.08 is: 560,457.26
Step by Step Solution
- Step 1: Write the proportion equation
643,704.62 : 965,725.17 = 373,573.08 : x - Step 2: Convert to fraction form
643,704.62/965,725.17 = 373,573.08/x - Step 3: Cross multiply
643,704.62x = 965,725.17 × 373,573.08 - Step 4: Simplify right side
643,704.62x = 360,768,926,190.42 - Step 5: Solve for x
x = 360,768,926,190.42/643,704.62 - Step 6: Final answer
x = 560,457.26
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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.