Finding the Fourth Proportional to 675,646.28, 1,013,819.34 and 490,188.68
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Solution
The fourth proportional to 675,646.28, 1,013,819.34 and 490,188.68 is: 735,536.89
Step by Step Solution
- Step 1: Write the proportion equation
675,646.28 : 1,013,819.34 = 490,188.68 : x - Step 2: Convert to fraction form
675,646.28/1,013,819.34 = 490,188.68/x - Step 3: Cross multiply
675,646.28x = 1,013,819.34 × 490,188.68 - Step 4: Simplify right side
675,646.28x = 496,962,764,033.07 - Step 5: Solve for x
x = 496,962,764,033.07/675,646.28 - Step 6: Final answer
x = 735,536.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.