Finding the Fourth Proportional to 980,457.85, 1,470,687.92 and 306,542.68
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Solution
The fourth proportional to 980,457.85, 1,470,687.92 and 306,542.68 is: 459,814.38
Step by Step Solution
- Step 1: Write the proportion equation
980,457.85 : 1,470,687.92 = 306,542.68 : x - Step 2: Convert to fraction form
980,457.85/1,470,687.92 = 306,542.68/x - Step 3: Cross multiply
980,457.85x = 1,470,687.92 × 306,542.68 - Step 4: Simplify right side
980,457.85x = 450,828,616,440.43 - Step 5: Solve for x
x = 450,828,616,440.43/980,457.85 - Step 6: Final answer
x = 459,814.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.