Finding the Fourth Proportional to 918,664.67, 1,267,724.11 and 505,197.97
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Solution
The fourth proportional to 918,664.67, 1,267,724.11 and 505,197.97 is: 697,154.98
Step by Step Solution
- Step 1: Write the proportion equation
918,664.67 : 1,267,724.11 = 505,197.97 : x - Step 2: Convert to fraction form
918,664.67/1,267,724.11 = 505,197.97/x - Step 3: Cross multiply
918,664.67x = 1,267,724.11 × 505,197.97 - Step 4: Simplify right side
918,664.67x = 640,451,649,108.21 - Step 5: Solve for x
x = 640,451,649,108.21/918,664.67 - Step 6: Final answer
x = 697,154.98
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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.