Finding the Fourth Proportional to 862,993.01, 1,294,933.05 and 661,881.08
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Solution
The fourth proportional to 862,993.01, 1,294,933.05 and 661,881.08 is: 993,161.79
Step by Step Solution
- Step 1: Write the proportion equation
862,993.01 : 1,294,933.05 = 661,881.08 : x - Step 2: Convert to fraction form
862,993.01/1,294,933.05 = 661,881.08/x - Step 3: Cross multiply
862,993.01x = 1,294,933.05 × 661,881.08 - Step 4: Simplify right side
862,993.01x = 857,091,679,187.03 - Step 5: Solve for x
x = 857,091,679,187.03/862,993.01 - Step 6: Final answer
x = 993,161.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.