Finding the Fourth Proportional to 752,829.76, 1,129,072.38 and 449,309.62
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Solution
The fourth proportional to 752,829.76, 1,129,072.38 and 449,309.62 is: 673,861.62
Step by Step Solution
- Step 1: Write the proportion equation
752,829.76 : 1,129,072.38 = 449,309.62 : x - Step 2: Convert to fraction form
752,829.76/1,129,072.38 = 449,309.62/x - Step 3: Cross multiply
752,829.76x = 1,129,072.38 × 449,309.62 - Step 4: Simplify right side
752,829.76x = 507,303,082,010.30 - Step 5: Solve for x
x = 507,303,082,010.30/752,829.76 - Step 6: Final answer
x = 673,861.62
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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.