Finding the Fourth Proportional to 499,398.84, 748,226.30 and 415,697.09
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Solution
The fourth proportional to 499,398.84, 748,226.30 and 415,697.09 is: 622,819.81
Step by Step Solution
- Step 1: Write the proportion equation
499,398.84 : 748,226.30 = 415,697.09 : x - Step 2: Convert to fraction form
499,398.84/748,226.30 = 415,697.09/x - Step 3: Cross multiply
499,398.84x = 748,226.30 × 415,697.09 - Step 4: Simplify right side
499,398.84x = 311,035,489,751.85 - Step 5: Solve for x
x = 311,035,489,751.85/499,398.84 - Step 6: Final answer
x = 622,819.81
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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.