Finding the Fourth Proportional to 517,847.12, 777,072.60 and 218,309.36
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Solution
The fourth proportional to 517,847.12, 777,072.60 and 218,309.36 is: 327,591.32
Step by Step Solution
- Step 1: Write the proportion equation
517,847.12 : 777,072.60 = 218,309.36 : x - Step 2: Convert to fraction form
517,847.12/777,072.60 = 218,309.36/x - Step 3: Cross multiply
517,847.12x = 777,072.60 × 218,309.36 - Step 4: Simplify right side
517,847.12x = 169,642,221,979.54 - Step 5: Solve for x
x = 169,642,221,979.54/517,847.12 - Step 6: Final answer
x = 327,591.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.