Finding the Fourth Proportional to 669,974.13, 1,004,395.97 and 290,609.24
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Solution
The fourth proportional to 669,974.13, 1,004,395.97 and 290,609.24 is: 435,668.69
Step by Step Solution
- Step 1: Write the proportion equation
669,974.13 : 1,004,395.97 = 290,609.24 : x - Step 2: Convert to fraction form
669,974.13/1,004,395.97 = 290,609.24/x - Step 3: Cross multiply
669,974.13x = 1,004,395.97 × 290,609.24 - Step 4: Simplify right side
669,974.13x = 291,886,749,500.76 - Step 5: Solve for x
x = 291,886,749,500.76/669,974.13 - Step 6: Final answer
x = 435,668.69
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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.