Finding the Fourth Proportional to 626,993.58, 865,609.77 and 412,756.41
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Solution
The fourth proportional to 626,993.58, 865,609.77 and 412,756.41 is: 569,839.94
Step by Step Solution
- Step 1: Write the proportion equation
626,993.58 : 865,609.77 = 412,756.41 : x - Step 2: Convert to fraction form
626,993.58/865,609.77 = 412,756.41/x - Step 3: Cross multiply
626,993.58x = 865,609.77 × 412,756.41 - Step 4: Simplify right side
626,993.58x = 357,285,981,126.13 - Step 5: Solve for x
x = 357,285,981,126.13/626,993.58 - Step 6: Final answer
x = 569,839.94
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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.