Finding the Fourth Proportional to 664,223.70, 996,335.55 and 629,231.70
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Solution
The fourth proportional to 664,223.70, 996,335.55 and 629,231.70 is: 943,847.55
Step by Step Solution
- Step 1: Write the proportion equation
664,223.70 : 996,335.55 = 629,231.70 : x - Step 2: Convert to fraction form
664,223.70/996,335.55 = 629,231.70/x - Step 3: Cross multiply
664,223.70x = 996,335.55 × 629,231.70 - Step 4: Simplify right side
664,223.70x = 626,925,911,896.94 - Step 5: Solve for x
x = 626,925,911,896.94/664,223.70 - Step 6: Final answer
x = 943,847.55
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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.