Finding the Fourth Proportional to 578,814.18, 868,517.34 and 275,550.99
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Solution
The fourth proportional to 578,814.18, 868,517.34 and 275,550.99 is: 413,467.43
Step by Step Solution
- Step 1: Write the proportion equation
578,814.18 : 868,517.34 = 275,550.99 : x - Step 2: Convert to fraction form
578,814.18/868,517.34 = 275,550.99/x - Step 3: Cross multiply
578,814.18x = 868,517.34 × 275,550.99 - Step 4: Simplify right side
578,814.18x = 239,320,812,869.17 - Step 5: Solve for x
x = 239,320,812,869.17/578,814.18 - Step 6: Final answer
x = 413,467.43
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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.