Finding the Fourth Proportional to 816,609.10, 1,222,518.34 and 572,604.09
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Solution
The fourth proportional to 816,609.10, 1,222,518.34 and 572,604.09 is: 857,226.54
Step by Step Solution
- Step 1: Write the proportion equation
816,609.10 : 1,222,518.34 = 572,604.09 : x - Step 2: Convert to fraction form
816,609.10/1,222,518.34 = 572,604.09/x - Step 3: Cross multiply
816,609.10x = 1,222,518.34 × 572,604.09 - Step 4: Simplify right side
816,609.10x = 700,018,992,608.40 - Step 5: Solve for x
x = 700,018,992,608.40/816,609.10 - Step 6: Final answer
x = 857,226.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.