Finding the Fourth Proportional to 856,040.40, 1,284,585.48 and 383,125.68
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Solution
The fourth proportional to 856,040.40, 1,284,585.48 and 383,125.68 is: 574,923.43
Step by Step Solution
- Step 1: Write the proportion equation
856,040.40 : 1,284,585.48 = 383,125.68 : x - Step 2: Convert to fraction form
856,040.40/1,284,585.48 = 383,125.68/x - Step 3: Cross multiply
856,040.40x = 1,284,585.48 × 383,125.68 - Step 4: Simplify right side
856,040.40x = 492,157,685,543.13 - Step 5: Solve for x
x = 492,157,685,543.13/856,040.40 - Step 6: Final answer
x = 574,923.43
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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.