Finding the Fourth Proportional to 913,323.05, 1,369,984.58 and 414,687.05
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Solution
The fourth proportional to 913,323.05, 1,369,984.58 and 414,687.05 is: 622,030.58
Step by Step Solution
- Step 1: Write the proportion equation
913,323.05 : 1,369,984.58 = 414,687.05 : x - Step 2: Convert to fraction form
913,323.05/1,369,984.58 = 414,687.05/x - Step 3: Cross multiply
913,323.05x = 1,369,984.58 × 414,687.05 - Step 4: Simplify right side
913,323.05x = 568,114,861,952.25 - Step 5: Solve for x
x = 568,114,861,952.25/913,323.05 - Step 6: Final answer
x = 622,030.58
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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.