Finding the Fourth Proportional to 548,589.94, 757,018.56 and 306,830.68
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Solution
The fourth proportional to 548,589.94, 757,018.56 and 306,830.68 is: 423,406.45
Step by Step Solution
- Step 1: Write the proportion equation
548,589.94 : 757,018.56 = 306,830.68 : x - Step 2: Convert to fraction form
548,589.94/757,018.56 = 306,830.68/x - Step 3: Cross multiply
548,589.94x = 757,018.56 × 306,830.68 - Step 4: Simplify right side
548,589.94x = 232,276,519,537.42 - Step 5: Solve for x
x = 232,276,519,537.42/548,589.94 - Step 6: Final answer
x = 423,406.45
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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.