Finding the Fourth Proportional to 514,389.02, 771,302.12 and 408,453.44
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Solution
The fourth proportional to 514,389.02, 771,302.12 and 408,453.44 is: 612,456.70
Step by Step Solution
- Step 1: Write the proportion equation
514,389.02 : 771,302.12 = 408,453.44 : x - Step 2: Convert to fraction form
514,389.02/771,302.12 = 408,453.44/x - Step 3: Cross multiply
514,389.02x = 771,302.12 × 408,453.44 - Step 4: Simplify right side
514,389.02x = 315,040,998,294.52 - Step 5: Solve for x
x = 315,040,998,294.52/514,389.02 - Step 6: Final answer
x = 612,456.70
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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.