Finding the Fourth Proportional to 874,542.26, 1,312,513.23 and 453,938.42
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Solution
The fourth proportional to 874,542.26, 1,312,513.23 and 453,938.42 is: 681,270.89
Step by Step Solution
- Step 1: Write the proportion equation
874,542.26 : 1,312,513.23 = 453,938.42 : x - Step 2: Convert to fraction form
874,542.26/1,312,513.23 = 453,938.42/x - Step 3: Cross multiply
874,542.26x = 1,312,513.23 × 453,938.42 - Step 4: Simplify right side
874,542.26x = 595,800,181,855.30 - Step 5: Solve for x
x = 595,800,181,855.30/874,542.26 - Step 6: Final answer
x = 681,270.89
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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.