Finding the Fourth Proportional to 548,470.44, 756,890.93 and 306,757.13
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Solution
The fourth proportional to 548,470.44, 756,890.93 and 306,757.13 is: 423,325.80
Step by Step Solution
- Step 1: Write the proportion equation
548,470.44 : 756,890.93 = 306,757.13 : x - Step 2: Convert to fraction form
548,470.44/756,890.93 = 306,757.13/x - Step 3: Cross multiply
548,470.44x = 756,890.93 × 306,757.13 - Step 4: Simplify right side
548,470.44x = 232,181,686,392.27 - Step 5: Solve for x
x = 232,181,686,392.27/548,470.44 - Step 6: Final answer
x = 423,325.80
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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.