Finding the Fourth Proportional to 726,660.93, 1,089,625.07 and 221,124.95
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Solution
The fourth proportional to 726,660.93, 1,089,625.07 and 221,124.95 is: 331,575.94
Step by Step Solution
- Step 1: Write the proportion equation
726,660.93 : 1,089,625.07 = 221,124.95 : x - Step 2: Convert to fraction form
726,660.93/1,089,625.07 = 221,124.95/x - Step 3: Cross multiply
726,660.93x = 1,089,625.07 × 221,124.95 - Step 4: Simplify right side
726,660.93x = 240,943,282,568.75 - Step 5: Solve for x
x = 240,943,282,568.75/726,660.93 - Step 6: Final answer
x = 331,575.94
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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.