Finding the Fourth Proportional to 634,311.09, 874,502.49 and 503,921.37
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Solution
The fourth proportional to 634,311.09, 874,502.49 and 503,921.37 is: 694,738.75
Step by Step Solution
- Step 1: Write the proportion equation
634,311.09 : 874,502.49 = 503,921.37 : x - Step 2: Convert to fraction form
634,311.09/874,502.49 = 503,921.37/x - Step 3: Cross multiply
634,311.09x = 874,502.49 × 503,921.37 - Step 4: Simplify right side
634,311.09x = 440,680,492,829.21 - Step 5: Solve for x
x = 440,680,492,829.21/634,311.09 - Step 6: Final answer
x = 694,738.75
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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.