Finding the Fourth Proportional to 790,629.96, 1,183,631.58 and 490,204.20
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Solution
The fourth proportional to 790,629.96, 1,183,631.58 and 490,204.20 is: 733,871.98
Step by Step Solution
- Step 1: Write the proportion equation
790,629.96 : 1,183,631.58 = 490,204.20 : x - Step 2: Convert to fraction form
790,629.96/1,183,631.58 = 490,204.20/x - Step 3: Cross multiply
790,629.96x = 1,183,631.58 × 490,204.20 - Step 4: Simplify right side
790,629.96x = 580,221,171,768.64 - Step 5: Solve for x
x = 580,221,171,768.64/790,629.96 - Step 6: Final answer
x = 733,871.98
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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.