Finding the Fourth Proportional to 647,846.70, 972,207.45 and 363,536.70
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Solution
The fourth proportional to 647,846.70, 972,207.45 and 363,536.70 is: 545,550.50
Step by Step Solution
- Step 1: Write the proportion equation
647,846.70 : 972,207.45 = 363,536.70 : x - Step 2: Convert to fraction form
647,846.70/972,207.45 = 363,536.70/x - Step 3: Cross multiply
647,846.70x = 972,207.45 × 363,536.70 - Step 4: Simplify right side
647,846.70x = 353,433,088,088.42 - Step 5: Solve for x
x = 353,433,088,088.42/647,846.70 - Step 6: Final answer
x = 545,550.50
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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.