Finding the Fourth Proportional to 959,457.12, 1,439,191.16 and 398,491.62
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Solution
The fourth proportional to 959,457.12, 1,439,191.16 and 398,491.62 is: 597,739.71
Step by Step Solution
- Step 1: Write the proportion equation
959,457.12 : 1,439,191.16 = 398,491.62 : x - Step 2: Convert to fraction form
959,457.12/1,439,191.16 = 398,491.62/x - Step 3: Cross multiply
959,457.12x = 1,439,191.16 × 398,491.62 - Step 4: Simplify right side
959,457.12x = 573,505,616,838.08 - Step 5: Solve for x
x = 573,505,616,838.08/959,457.12 - Step 6: Final answer
x = 597,739.71
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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.