Finding the Fourth Proportional to 578,418.24, 866,497.36 and 398,471.92
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Solution
The fourth proportional to 578,418.24, 866,497.36 and 398,471.92 is: 596,929.42
Step by Step Solution
- Step 1: Write the proportion equation
578,418.24 : 866,497.36 = 398,471.92 : x - Step 2: Convert to fraction form
578,418.24/866,497.36 = 398,471.92/x - Step 3: Cross multiply
578,418.24x = 866,497.36 × 398,471.92 - Step 4: Simplify right side
578,418.24x = 345,274,866,714.13 - Step 5: Solve for x
x = 345,274,866,714.13/578,418.24 - Step 6: Final answer
x = 596,929.42
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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.