Finding the Fourth Proportional to 637,393.62, 879,586.10 and 350,915.84
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Solution
The fourth proportional to 637,393.62, 879,586.10 and 350,915.84 is: 484,254.45
Step by Step Solution
- Step 1: Write the proportion equation
637,393.62 : 879,586.10 = 350,915.84 : x - Step 2: Convert to fraction form
637,393.62/879,586.10 = 350,915.84/x - Step 3: Cross multiply
637,393.62x = 879,586.10 × 350,915.84 - Step 4: Simplify right side
637,393.62x = 308,660,695,133.82 - Step 5: Solve for x
x = 308,660,695,133.82/637,393.62 - Step 6: Final answer
x = 484,254.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.