Finding the Fourth Proportional to 670,861.97, 925,762.79 and 364,938.74
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Solution
The fourth proportional to 670,861.97, 925,762.79 and 364,938.74 is: 503,600.92
Step by Step Solution
- Step 1: Write the proportion equation
670,861.97 : 925,762.79 = 364,938.74 : x - Step 2: Convert to fraction form
670,861.97/925,762.79 = 364,938.74/x - Step 3: Cross multiply
670,861.97x = 925,762.79 × 364,938.74 - Step 4: Simplify right side
670,861.97x = 337,846,702,405.02 - Step 5: Solve for x
x = 337,846,702,405.02/670,861.97 - Step 6: Final answer
x = 503,600.92
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1.5x scale
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.