Finding the Fourth Proportional to 713,351.23, 1,069,715.79 and 269,808.19
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Solution
The fourth proportional to 713,351.23, 1,069,715.79 and 269,808.19 is: 404,594.63
Step by Step Solution
- Step 1: Write the proportion equation
713,351.23 : 1,069,715.79 = 269,808.19 : x - Step 2: Convert to fraction form
713,351.23/1,069,715.79 = 269,808.19/x - Step 3: Cross multiply
713,351.23x = 1,069,715.79 × 269,808.19 - Step 4: Simplify right side
713,351.23x = 288,618,078,440.03 - Step 5: Solve for x
x = 288,618,078,440.03/713,351.23 - Step 6: Final answer
x = 404,594.63
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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.