Finding the Fourth Proportional to 499,682.40, 749,589.29 and 263,038.07
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Solution
The fourth proportional to 499,682.40, 749,589.29 and 263,038.07 is: 394,591.67
Step by Step Solution
- Step 1: Write the proportion equation
499,682.40 : 749,589.29 = 263,038.07 : x - Step 2: Convert to fraction form
499,682.40/749,589.29 = 263,038.07/x - Step 3: Cross multiply
499,682.40x = 749,589.29 × 263,038.07 - Step 4: Simplify right side
499,682.40x = 197,170,515,071.13 - Step 5: Solve for x
x = 197,170,515,071.13/499,682.40 - Step 6: Final answer
x = 394,591.67
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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.