Finding the Fourth Proportional to 987,167.87, 1,480,842.17 and 277,191.13
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Solution
The fourth proportional to 987,167.87, 1,480,842.17 and 277,191.13 is: 415,812.07
Step by Step Solution
- Step 1: Write the proportion equation
987,167.87 : 1,480,842.17 = 277,191.13 : x - Step 2: Convert to fraction form
987,167.87/1,480,842.17 = 277,191.13/x - Step 3: Cross multiply
987,167.87x = 1,480,842.17 × 277,191.13 - Step 4: Simplify right side
987,167.87x = 410,476,314,453.95 - Step 5: Solve for x
x = 410,476,314,453.95/987,167.87 - Step 6: Final answer
x = 415,812.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.