Finding the Fourth Proportional to 663,252.98, 915,029.26 and 408,161.30
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Solution
The fourth proportional to 663,252.98, 915,029.26 and 408,161.30 is: 563,102.68
Step by Step Solution
- Step 1: Write the proportion equation
663,252.98 : 915,029.26 = 408,161.30 : x - Step 2: Convert to fraction form
663,252.98/915,029.26 = 408,161.30/x - Step 3: Cross multiply
663,252.98x = 915,029.26 × 408,161.30 - Step 4: Simplify right side
663,252.98x = 373,479,526,704.09 - Step 5: Solve for x
x = 373,479,526,704.09/663,252.98 - Step 6: Final answer
x = 563,102.68
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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.