Finding the Fourth Proportional to 1,338,812.53, 2,008,283.34 and 440,234.35
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Solution
The fourth proportional to 1,338,812.53, 2,008,283.34 and 440,234.35 is: 660,372.75
Step by Step Solution
- Step 1: Write the proportion equation
1,338,812.53 : 2,008,283.34 = 440,234.35 : x - Step 2: Convert to fraction form
1,338,812.53/2,008,283.34 = 440,234.35/x - Step 3: Cross multiply
1,338,812.53x = 2,008,283.34 × 440,234.35 - Step 4: Simplify right side
1,338,812.53x = 884,115,310,800.73 - Step 5: Solve for x
x = 884,115,310,800.73/1,338,812.53 - Step 6: Final answer
x = 660,372.75
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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.