Finding the Fourth Proportional to 680,884.18, 1,021,326.27 and 207,565.44
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Solution
The fourth proportional to 680,884.18, 1,021,326.27 and 207,565.44 is: 311,348.15
Step by Step Solution
- Step 1: Write the proportion equation
680,884.18 : 1,021,326.27 = 207,565.44 : x - Step 2: Convert to fraction form
680,884.18/1,021,326.27 = 207,565.44/x - Step 3: Cross multiply
680,884.18x = 1,021,326.27 × 207,565.44 - Step 4: Simplify right side
680,884.18x = 211,992,032,007.77 - Step 5: Solve for x
x = 211,992,032,007.77/680,884.18 - Step 6: Final answer
x = 311,348.15
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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.