Finding the Fourth Proportional to 515,521.13, 773,847.41 and 409,586.02
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Solution
The fourth proportional to 515,521.13, 773,847.41 and 409,586.02 is: 614,828.49
Step by Step Solution
- Step 1: Write the proportion equation
515,521.13 : 773,847.41 = 409,586.02 : x - Step 2: Convert to fraction form
515,521.13/773,847.41 = 409,586.02/x - Step 3: Cross multiply
515,521.13x = 773,847.41 × 409,586.02 - Step 4: Simplify right side
515,521.13x = 316,957,076,766.66 - Step 5: Solve for x
x = 316,957,076,766.66/515,521.13 - Step 6: Final answer
x = 614,828.49
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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.