Finding the Fourth Proportional to 798,680.50, 1,102,223.98 and 436,138.18
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Solution
The fourth proportional to 798,680.50, 1,102,223.98 and 436,138.18 is: 601,895.20
Step by Step Solution
- Step 1: Write the proportion equation
798,680.50 : 1,102,223.98 = 436,138.18 : x - Step 2: Convert to fraction form
798,680.50/1,102,223.98 = 436,138.18/x - Step 3: Cross multiply
798,680.50x = 1,102,223.98 × 436,138.18 - Step 4: Simplify right side
798,680.50x = 480,721,960,589.56 - Step 5: Solve for x
x = 480,721,960,589.56/798,680.50 - Step 6: Final answer
x = 601,895.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.