Finding the Fourth Proportional to 741,683.61, 1,112,568.49 and 286,277.44
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Solution
The fourth proportional to 741,683.61, 1,112,568.49 and 286,277.44 is: 429,432.78
Step by Step Solution
- Step 1: Write the proportion equation
741,683.61 : 1,112,568.49 = 286,277.44 : x - Step 2: Convert to fraction form
741,683.61/1,112,568.49 = 286,277.44/x - Step 3: Cross multiply
741,683.61x = 1,112,568.49 × 286,277.44 - Step 4: Simplify right side
741,683.61x = 318,503,257,999.20 - Step 5: Solve for x
x = 318,503,257,999.20/741,683.61 - Step 6: Final answer
x = 429,432.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.