Finding the Fourth Proportional to 713,717.11, 1,070,236.68 and 414,289.54
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Solution
The fourth proportional to 713,717.11, 1,070,236.68 and 414,289.54 is: 621,237.54
Step by Step Solution
- Step 1: Write the proportion equation
713,717.11 : 1,070,236.68 = 414,289.54 : x - Step 2: Convert to fraction form
713,717.11/1,070,236.68 = 414,289.54/x - Step 3: Cross multiply
713,717.11x = 1,070,236.68 × 414,289.54 - Step 4: Simplify right side
713,717.11x = 443,387,861,848.33 - Step 5: Solve for x
x = 443,387,861,848.33/713,717.11 - Step 6: Final answer
x = 621,237.54
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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.