Finding the Fourth Proportional to 418,362.76, 627,478.08 and 347,739.04
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Solution
The fourth proportional to 418,362.76, 627,478.08 and 347,739.04 is: 521,553.65
Step by Step Solution
- Step 1: Write the proportion equation
418,362.76 : 627,478.08 = 347,739.04 : x - Step 2: Convert to fraction form
418,362.76/627,478.08 = 347,739.04/x - Step 3: Cross multiply
418,362.76x = 627,478.08 × 347,739.04 - Step 4: Simplify right side
418,362.76x = 218,198,625,160.24 - Step 5: Solve for x
x = 218,198,625,160.24/418,362.76 - Step 6: Final answer
x = 521,553.65
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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.