Finding the Fourth Proportional to 516,877.68, 775,796.28 and 264,338.64
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Solution
The fourth proportional to 516,877.68, 775,796.28 and 264,338.64 is: 396,753.32
Step by Step Solution
- Step 1: Write the proportion equation
516,877.68 : 775,796.28 = 264,338.64 : x - Step 2: Convert to fraction form
516,877.68/775,796.28 = 264,338.64/x - Step 3: Cross multiply
516,877.68x = 775,796.28 × 264,338.64 - Step 4: Simplify right side
516,877.68x = 205,072,933,572.26 - Step 5: Solve for x
x = 205,072,933,572.26/516,877.68 - Step 6: Final answer
x = 396,753.32
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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.