Finding the Fourth Proportional to 730,057.52, 1,094,310.81 and 430,679.09
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Solution
The fourth proportional to 730,057.52, 1,094,310.81 and 430,679.09 is: 645,561.17
Step by Step Solution
- Step 1: Write the proportion equation
730,057.52 : 1,094,310.81 = 430,679.09 : x - Step 2: Convert to fraction form
730,057.52/1,094,310.81 = 430,679.09/x - Step 3: Cross multiply
730,057.52x = 1,094,310.81 × 430,679.09 - Step 4: Simplify right side
730,057.52x = 471,296,786,563.74 - Step 5: Solve for x
x = 471,296,786,563.74/730,057.52 - Step 6: Final answer
x = 645,561.17
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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.