Finding the Fourth Proportional to 904,340.80, 1,356,511.20 and 372,243.70
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Solution
The fourth proportional to 904,340.80, 1,356,511.20 and 372,243.70 is: 558,365.55
Step by Step Solution
- Step 1: Write the proportion equation
904,340.80 : 1,356,511.20 = 372,243.70 : x - Step 2: Convert to fraction form
904,340.80/1,356,511.20 = 372,243.70/x - Step 3: Cross multiply
904,340.80x = 1,356,511.20 × 372,243.70 - Step 4: Simplify right side
904,340.80x = 504,952,748,179.44 - Step 5: Solve for x
x = 504,952,748,179.44/904,340.80 - Step 6: Final answer
x = 558,365.55
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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.