Finding the Fourth Proportional to 799,861.20, 1,103,812.36 and 437,285.08
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Solution
The fourth proportional to 799,861.20, 1,103,812.36 and 437,285.08 is: 603,455.55
Step by Step Solution
- Step 1: Write the proportion equation
799,861.20 : 1,103,812.36 = 437,285.08 : x - Step 2: Convert to fraction form
799,861.20/1,103,812.36 = 437,285.08/x - Step 3: Cross multiply
799,861.20x = 1,103,812.36 × 437,285.08 - Step 4: Simplify right side
799,861.20x = 482,680,678,893.87 - Step 5: Solve for x
x = 482,680,678,893.87/799,861.20 - Step 6: Final answer
x = 603,455.55
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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.