Finding the Fourth Proportional to 713,892.13, 1,070,493.73 and 414,448.09
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Solution
The fourth proportional to 713,892.13, 1,070,493.73 and 414,448.09 is: 621,472.16
Step by Step Solution
- Step 1: Write the proportion equation
713,892.13 : 1,070,493.73 = 414,448.09 : x - Step 2: Convert to fraction form
713,892.13/1,070,493.73 = 414,448.09/x - Step 3: Cross multiply
713,892.13x = 1,070,493.73 × 414,448.09 - Step 4: Simplify right side
713,892.13x = 443,664,081,755.48 - Step 5: Solve for x
x = 443,664,081,755.48/713,892.13 - Step 6: Final answer
x = 621,472.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.