Finding the Fourth Proportional to 919,478.37, 1,379,203.68 and 413,682.16
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Solution
The fourth proportional to 919,478.37, 1,379,203.68 and 413,682.16 is: 620,517.00
Step by Step Solution
- Step 1: Write the proportion equation
919,478.37 : 1,379,203.68 = 413,682.16 : x - Step 2: Convert to fraction form
919,478.37/1,379,203.68 = 413,682.16/x - Step 3: Cross multiply
919,478.37x = 1,379,203.68 × 413,682.16 - Step 4: Simplify right side
919,478.37x = 570,551,957,422.35 - Step 5: Solve for x
x = 570,551,957,422.35/919,478.37 - Step 6: Final answer
x = 620,517.00
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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.