Finding the Fourth Proportional to 686,657.02, 1,029,775.14 and 474,786.44
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Solution
The fourth proportional to 686,657.02, 1,029,775.14 and 474,786.44 is: 712,034.19
Step by Step Solution
- Step 1: Write the proportion equation
686,657.02 : 1,029,775.14 = 474,786.44 : x - Step 2: Convert to fraction form
686,657.02/1,029,775.14 = 474,786.44/x - Step 3: Cross multiply
686,657.02x = 1,029,775.14 × 474,786.44 - Step 4: Simplify right side
686,657.02x = 488,923,272,721.10 - Step 5: Solve for x
x = 488,923,272,721.10/686,657.02 - Step 6: Final answer
x = 712,034.19
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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.