Finding the Fourth Proportional to 519,726.70, 778,933.95 and 252,912.70
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Solution
The fourth proportional to 519,726.70, 778,933.95 and 252,912.70 is: 379,049.77
Step by Step Solution
- Step 1: Write the proportion equation
519,726.70 : 778,933.95 = 252,912.70 : x - Step 2: Convert to fraction form
519,726.70/778,933.95 = 252,912.70/x - Step 3: Cross multiply
519,726.70x = 778,933.95 × 252,912.70 - Step 4: Simplify right side
519,726.70x = 197,002,288,416.17 - Step 5: Solve for x
x = 197,002,288,416.17/519,726.70 - Step 6: Final answer
x = 379,049.77
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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.