Finding the Fourth Proportional to 726,915.34, 1,090,596.24 and 372,178.42
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Solution
The fourth proportional to 726,915.34, 1,090,596.24 and 372,178.42 is: 558,381.92
Step by Step Solution
- Step 1: Write the proportion equation
726,915.34 : 1,090,596.24 = 372,178.42 : x - Step 2: Convert to fraction form
726,915.34/1,090,596.24 = 372,178.42/x - Step 3: Cross multiply
726,915.34x = 1,090,596.24 × 372,178.42 - Step 4: Simplify right side
726,915.34x = 405,896,385,461.14 - Step 5: Solve for x
x = 405,896,385,461.14/726,915.34 - Step 6: Final answer
x = 558,381.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.