Finding the Fourth Proportional to 782,193.50, 1,079,427.08 and 424,497.50
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Solution
The fourth proportional to 782,193.50, 1,079,427.08 and 424,497.50 is: 585,806.57
Step by Step Solution
- Step 1: Write the proportion equation
782,193.50 : 1,079,427.08 = 424,497.50 : x - Step 2: Convert to fraction form
782,193.50/1,079,427.08 = 424,497.50/x - Step 3: Cross multiply
782,193.50x = 1,079,427.08 × 424,497.50 - Step 4: Simplify right side
782,193.50x = 458,214,094,769.81 - Step 5: Solve for x
x = 458,214,094,769.81/782,193.50 - Step 6: Final answer
x = 585,806.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.