Finding the Fourth Proportional to 519,549.02, 717,472.80 and 491,243.94
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Solution
The fourth proportional to 519,549.02, 717,472.80 and 491,243.94 is: 678,384.82
Step by Step Solution
- Step 1: Write the proportion equation
519,549.02 : 717,472.80 = 491,243.94 : x - Step 2: Convert to fraction form
519,549.02/717,472.80 = 491,243.94/x - Step 3: Cross multiply
519,549.02x = 717,472.80 × 491,243.94 - Step 4: Simplify right side
519,549.02x = 352,454,165,805.64 - Step 5: Solve for x
x = 352,454,165,805.64/519,549.02 - Step 6: Final answer
x = 678,384.82
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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.