Finding the Fourth Proportional to 782,233.42, 1,079,482.56 and 424,537.42
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Solution
The fourth proportional to 782,233.42, 1,079,482.56 and 424,537.42 is: 585,861.88
Step by Step Solution
- Step 1: Write the proportion equation
782,233.42 : 1,079,482.56 = 424,537.42 : x - Step 2: Convert to fraction form
782,233.42/1,079,482.56 = 424,537.42/x - Step 3: Cross multiply
782,233.42x = 1,079,482.56 × 424,537.42 - Step 4: Simplify right side
782,233.42x = 458,280,740,957.40 - Step 5: Solve for x
x = 458,280,740,957.40/782,233.42 - Step 6: Final answer
x = 585,861.88
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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.