Finding the Fourth Proportional to 499,699.68, 748,348.36 and 285,819.36
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Solution
The fourth proportional to 499,699.68, 748,348.36 and 285,819.36 is: 428,042.00
Step by Step Solution
- Step 1: Write the proportion equation
499,699.68 : 748,348.36 = 285,819.36 : x - Step 2: Convert to fraction form
499,699.68/748,348.36 = 285,819.36/x - Step 3: Cross multiply
499,699.68x = 748,348.36 × 285,819.36 - Step 4: Simplify right side
499,699.68x = 213,892,449,312.25 - Step 5: Solve for x
x = 213,892,449,312.25/499,699.68 - Step 6: Final answer
x = 428,042.00
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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.