Finding the Fourth Proportional to 736,369.63, 1,104,874.29 and 399,648.17
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Solution
The fourth proportional to 736,369.63, 1,104,874.29 and 399,648.17 is: 599,645.85
Step by Step Solution
- Step 1: Write the proportion equation
736,369.63 : 1,104,874.29 = 399,648.17 : x - Step 2: Convert to fraction form
736,369.63/1,104,874.29 = 399,648.17/x - Step 3: Cross multiply
736,369.63x = 1,104,874.29 × 399,648.17 - Step 4: Simplify right side
736,369.63x = 441,560,990,840.74 - Step 5: Solve for x
x = 441,560,990,840.74/736,369.63 - Step 6: Final answer
x = 599,645.85
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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.