Finding the Fourth Proportional to 806,776.94, 1,210,166.21 and 207,739.42
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Solution
The fourth proportional to 806,776.94, 1,210,166.21 and 207,739.42 is: 311,609.33
Step by Step Solution
- Step 1: Write the proportion equation
806,776.94 : 1,210,166.21 = 207,739.42 : x - Step 2: Convert to fraction form
806,776.94/1,210,166.21 = 207,739.42/x - Step 3: Cross multiply
806,776.94x = 1,210,166.21 × 207,739.42 - Step 4: Simplify right side
806,776.94x = 251,399,224,062.93 - Step 5: Solve for x
x = 251,399,224,062.93/806,776.94 - Step 6: Final answer
x = 311,609.33
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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.