Finding the Fourth Proportional to 520,827.94, 780,349.02 and 349,728.94
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Solution
The fourth proportional to 520,827.94, 780,349.02 and 349,728.94 is: 523,993.84
Step by Step Solution
- Step 1: Write the proportion equation
520,827.94 : 780,349.02 = 349,728.94 : x - Step 2: Convert to fraction form
520,827.94/780,349.02 = 349,728.94/x - Step 3: Cross multiply
520,827.94x = 780,349.02 × 349,728.94 - Step 4: Simplify right side
520,827.94x = 272,910,633,744.88 - Step 5: Solve for x
x = 272,910,633,744.88/520,827.94 - Step 6: Final answer
x = 523,993.84
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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.