Finding the Fourth Proportional to 945,928.99, 1,305,409.53 and 516,236.82
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Solution
The fourth proportional to 945,928.99, 1,305,409.53 and 516,236.82 is: 712,421.83
Step by Step Solution
- Step 1: Write the proportion equation
945,928.99 : 1,305,409.53 = 516,236.82 : x - Step 2: Convert to fraction form
945,928.99/1,305,409.53 = 516,236.82/x - Step 3: Cross multiply
945,928.99x = 1,305,409.53 × 516,236.82 - Step 4: Simplify right side
945,928.99x = 673,900,464,564.90 - Step 5: Solve for x
x = 673,900,464,564.90/945,928.99 - Step 6: Final answer
x = 712,421.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.