Finding the Fourth Proportional to 636,858.01, 955,516.65 and 321,077.08
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Solution
The fourth proportional to 636,858.01, 955,516.65 and 321,077.08 is: 481,731.39
Step by Step Solution
- Step 1: Write the proportion equation
636,858.01 : 955,516.65 = 321,077.08 : x - Step 2: Convert to fraction form
636,858.01/955,516.65 = 321,077.08/x - Step 3: Cross multiply
636,858.01x = 955,516.65 × 321,077.08 - Step 4: Simplify right side
636,858.01x = 306,794,489,490.41 - Step 5: Solve for x
x = 306,794,489,490.41/636,858.01 - Step 6: Final answer
x = 481,731.39
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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.