Finding the Fourth Proportional to 919,224.46, 1,379,058.18 and 288,138.26
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Solution
The fourth proportional to 919,224.46, 1,379,058.18 and 288,138.26 is: 432,276.82
Step by Step Solution
- Step 1: Write the proportion equation
919,224.46 : 1,379,058.18 = 288,138.26 : x - Step 2: Convert to fraction form
919,224.46/1,379,058.18 = 288,138.26/x - Step 3: Cross multiply
919,224.46x = 1,379,058.18 × 288,138.26 - Step 4: Simplify right side
919,224.46x = 397,359,424,423.97 - Step 5: Solve for x
x = 397,359,424,423.97/919,224.46 - Step 6: Final answer
x = 432,276.82
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1.5x scale
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.