Finding the Fourth Proportional to 830,716.79, 1,246,057.29 and 231,661.98
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Solution
The fourth proportional to 830,716.79, 1,246,057.29 and 231,661.98 is: 347,487.98
Step by Step Solution
- Step 1: Write the proportion equation
830,716.79 : 1,246,057.29 = 231,661.98 : x - Step 2: Convert to fraction form
830,716.79/1,246,057.29 = 231,661.98/x - Step 3: Cross multiply
830,716.79x = 1,246,057.29 × 231,661.98 - Step 4: Simplify right side
830,716.79x = 288,664,098,994.83 - Step 5: Solve for x
x = 288,664,098,994.83/830,716.79 - Step 6: Final answer
x = 347,487.98
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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.