Finding the Fourth Proportional to 495,861.75, 684,289.22 and 294,657.75
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Solution
The fourth proportional to 495,861.75, 684,289.22 and 294,657.75 is: 406,627.70
Step by Step Solution
- Step 1: Write the proportion equation
495,861.75 : 684,289.22 = 294,657.75 : x - Step 2: Convert to fraction form
495,861.75/684,289.22 = 294,657.75/x - Step 3: Cross multiply
495,861.75x = 684,289.22 × 294,657.75 - Step 4: Simplify right side
495,861.75x = 201,631,120,441.17 - Step 5: Solve for x
x = 201,631,120,441.17/495,861.75 - Step 6: Final answer
x = 406,627.70
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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.