Finding the Fourth Proportional to 841,940.67, 1,263,709.43 and 521,122.09
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Solution
The fourth proportional to 841,940.67, 1,263,709.43 and 521,122.09 is: 782,177.32
Step by Step Solution
- Step 1: Write the proportion equation
841,940.67 : 1,263,709.43 = 521,122.09 : x - Step 2: Convert to fraction form
841,940.67/1,263,709.43 = 521,122.09/x - Step 3: Cross multiply
841,940.67x = 1,263,709.43 × 521,122.09 - Step 4: Simplify right side
841,940.67x = 658,546,899,965.71 - Step 5: Solve for x
x = 658,546,899,965.71/841,940.67 - Step 6: Final answer
x = 782,177.32
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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.