Finding the Fourth Proportional to 945,888.84, 1,305,354.36 and 516,196.68
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Solution
The fourth proportional to 945,888.84, 1,305,354.36 and 516,196.68 is: 712,366.57
Step by Step Solution
- Step 1: Write the proportion equation
945,888.84 : 1,305,354.36 = 516,196.68 : x - Step 2: Convert to fraction form
945,888.84/1,305,354.36 = 516,196.68/x - Step 3: Cross multiply
945,888.84x = 1,305,354.36 × 516,196.68 - Step 4: Simplify right side
945,888.84x = 673,819,586,855.53 - Step 5: Solve for x
x = 673,819,586,855.53/945,888.84 - Step 6: Final answer
x = 712,366.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.