Finding the Fourth Proportional to 782,787.76, 1,173,811.56 and 303,240.18
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Solution
The fourth proportional to 782,787.76, 1,173,811.56 and 303,240.18 is: 454,716.91
Step by Step Solution
- Step 1: Write the proportion equation
782,787.76 : 1,173,811.56 = 303,240.18 : x - Step 2: Convert to fraction form
782,787.76/1,173,811.56 = 303,240.18/x - Step 3: Cross multiply
782,787.76x = 1,173,811.56 × 303,240.18 - Step 4: Simplify right side
782,787.76x = 355,946,828,740.48 - Step 5: Solve for x
x = 355,946,828,740.48/782,787.76 - Step 6: Final answer
x = 454,716.91
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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.