Finding the Fourth Proportional to 516,745.56, 775,135.77 and 396,984.53
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Solution
The fourth proportional to 516,745.56, 775,135.77 and 396,984.53 is: 595,490.19
Step by Step Solution
- Step 1: Write the proportion equation
516,745.56 : 775,135.77 = 396,984.53 : x - Step 2: Convert to fraction form
516,745.56/775,135.77 = 396,984.53/x - Step 3: Cross multiply
516,745.56x = 775,135.77 × 396,984.53 - Step 4: Simplify right side
516,745.56x = 307,716,911,277.48 - Step 5: Solve for x
x = 307,716,911,277.48/516,745.56 - Step 6: Final answer
x = 595,490.19
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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.