Finding the Fourth Proportional to 806,517.42, 1,112,863.80 and 462,290.00
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Solution
The fourth proportional to 806,517.42, 1,112,863.80 and 462,290.00 is: 637,885.54
Step by Step Solution
- Step 1: Write the proportion equation
806,517.42 : 1,112,863.80 = 462,290.00 : x - Step 2: Convert to fraction form
806,517.42/1,112,863.80 = 462,290.00/x - Step 3: Cross multiply
806,517.42x = 1,112,863.80 × 462,290.00 - Step 4: Simplify right side
806,517.42x = 514,465,800,585.73 - Step 5: Solve for x
x = 514,465,800,585.73/806,517.42 - Step 6: Final answer
x = 637,885.54
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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.