Finding the Fourth Proportional to 434,450.70, 651,920.76 and 339,414.48
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Solution
The fourth proportional to 434,450.70, 651,920.76 and 339,414.48 is: 509,312.90
Step by Step Solution
- Step 1: Write the proportion equation
434,450.70 : 651,920.76 = 339,414.48 : x - Step 2: Convert to fraction form
434,450.70/651,920.76 = 339,414.48/x - Step 3: Cross multiply
434,450.70x = 651,920.76 × 339,414.48 - Step 4: Simplify right side
434,450.70x = 221,271,345,756.61 - Step 5: Solve for x
x = 221,271,345,756.61/434,450.70 - Step 6: Final answer
x = 509,312.90
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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.