Finding the Fourth Proportional to 486,404.66, 728,112.09 and 414,660.26
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Solution
The fourth proportional to 486,404.66, 728,112.09 and 414,660.26 is: 620,715.99
Step by Step Solution
- Step 1: Write the proportion equation
486,404.66 : 728,112.09 = 414,660.26 : x - Step 2: Convert to fraction form
486,404.66/728,112.09 = 414,660.26/x - Step 3: Cross multiply
486,404.66x = 728,112.09 × 414,660.26 - Step 4: Simplify right side
486,404.66x = 301,919,148,548.54 - Step 5: Solve for x
x = 301,919,148,548.54/486,404.66 - Step 6: Final answer
x = 620,715.99
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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.