Finding the Fourth Proportional to 957,747.08, 1,321,700.15 and 528,042.62
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Solution
The fourth proportional to 957,747.08, 1,321,700.15 and 528,042.62 is: 728,703.88
Step by Step Solution
- Step 1: Write the proportion equation
957,747.08 : 1,321,700.15 = 528,042.62 : x - Step 2: Convert to fraction form
957,747.08/1,321,700.15 = 528,042.62/x - Step 3: Cross multiply
957,747.08x = 1,321,700.15 × 528,042.62 - Step 4: Simplify right side
957,747.08x = 697,914,010,060.39 - Step 5: Solve for x
x = 697,914,010,060.39/957,747.08 - Step 6: Final answer
x = 728,703.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.