Finding the Fourth Proportional to 424,787.92, 637,269.36 and 355,153.84
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Solution
The fourth proportional to 424,787.92, 637,269.36 and 355,153.84 is: 532,803.90
Step by Step Solution
- Step 1: Write the proportion equation
424,787.92 : 637,269.36 = 355,153.84 : x - Step 2: Convert to fraction form
424,787.92/637,269.36 = 355,153.84/x - Step 3: Cross multiply
424,787.92x = 637,269.36 × 355,153.84 - Step 4: Simplify right side
424,787.92x = 226,328,660,318.34 - Step 5: Solve for x
x = 226,328,660,318.34/424,787.92 - Step 6: Final answer
x = 532,803.90
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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.