Finding the Fourth Proportional to 784,745.24, 1,177,128.70 and 223,779.64
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Solution
The fourth proportional to 784,745.24, 1,177,128.70 and 223,779.64 is: 335,672.55
Step by Step Solution
- Step 1: Write the proportion equation
784,745.24 : 1,177,128.70 = 223,779.64 : x - Step 2: Convert to fraction form
784,745.24/1,177,128.70 = 223,779.64/x - Step 3: Cross multiply
784,745.24x = 1,177,128.70 × 223,779.64 - Step 4: Simplify right side
784,745.24x = 263,417,436,719.67 - Step 5: Solve for x
x = 263,417,436,719.67/784,745.24 - Step 6: Final answer
x = 335,672.55
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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.