Finding the Fourth Proportional to 708,881.19, 1,063,379.39 and 210,243.75
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Solution
The fourth proportional to 708,881.19, 1,063,379.39 and 210,243.75 is: 315,382.71
Step by Step Solution
- Step 1: Write the proportion equation
708,881.19 : 1,063,379.39 = 210,243.75 : x - Step 2: Convert to fraction form
708,881.19/1,063,379.39 = 210,243.75/x - Step 3: Cross multiply
708,881.19x = 1,063,379.39 × 210,243.75 - Step 4: Simplify right side
708,881.19x = 223,568,869,575.09 - Step 5: Solve for x
x = 223,568,869,575.09/708,881.19 - Step 6: Final answer
x = 315,382.71
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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.