Finding the Fourth Proportional to 782,230.41, 1,079,478.41 and 424,534.41
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Solution
The fourth proportional to 782,230.41, 1,079,478.41 and 424,534.41 is: 585,857.72
Step by Step Solution
- Step 1: Write the proportion equation
782,230.41 : 1,079,478.41 = 424,534.41 : x - Step 2: Convert to fraction form
782,230.41/1,079,478.41 = 424,534.41/x - Step 3: Cross multiply
782,230.41x = 1,079,478.41 × 424,534.41 - Step 4: Simplify right side
782,230.41x = 458,275,727,774.42 - Step 5: Solve for x
x = 458,275,727,774.42/782,230.41 - Step 6: Final answer
x = 585,857.72
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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.