Finding the Fourth Proportional to 933,129.44, 1,287,636.49 and 519,634.97
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Solution
The fourth proportional to 933,129.44, 1,287,636.49 and 519,634.97 is: 717,050.52
Step by Step Solution
- Step 1: Write the proportion equation
933,129.44 : 1,287,636.49 = 519,634.97 : x - Step 2: Convert to fraction form
933,129.44/1,287,636.49 = 519,634.97/x - Step 3: Cross multiply
933,129.44x = 1,287,636.49 × 519,634.97 - Step 4: Simplify right side
933,129.44x = 669,100,950,052.06 - Step 5: Solve for x
x = 669,100,950,052.06/933,129.44 - Step 6: Final answer
x = 717,050.52
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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.