Finding the Fourth Proportional to 843,551.84, 1,265,193.84 and 394,584.32
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Solution
The fourth proportional to 843,551.84, 1,265,193.84 and 394,584.32 is: 591,813.84
Step by Step Solution
- Step 1: Write the proportion equation
843,551.84 : 1,265,193.84 = 394,584.32 : x - Step 2: Convert to fraction form
843,551.84/1,265,193.84 = 394,584.32/x - Step 3: Cross multiply
843,551.84x = 1,265,193.84 × 394,584.32 - Step 4: Simplify right side
843,551.84x = 499,225,651,024.59 - Step 5: Solve for x
x = 499,225,651,024.59/843,551.84 - Step 6: Final answer
x = 591,813.84
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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.