Finding the Fourth Proportional to 625,732.70, 863,457.98 and 353,762.84
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Solution
The fourth proportional to 625,732.70, 863,457.98 and 353,762.84 is: 488,162.68
Step by Step Solution
- Step 1: Write the proportion equation
625,732.70 : 863,457.98 = 353,762.84 : x - Step 2: Convert to fraction form
625,732.70/863,457.98 = 353,762.84/x - Step 3: Cross multiply
625,732.70x = 863,457.98 × 353,762.84 - Step 4: Simplify right side
625,732.70x = 305,459,347,615.29 - Step 5: Solve for x
x = 305,459,347,615.29/625,732.70 - Step 6: Final answer
x = 488,162.68
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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.