Finding the Fourth Proportional to 706,194.20, 1,057,908.90 and 424,875.80
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Solution
The fourth proportional to 706,194.20, 1,057,908.90 and 424,875.80 is: 636,481.99
Step by Step Solution
- Step 1: Write the proportion equation
706,194.20 : 1,057,908.90 = 424,875.80 : x - Step 2: Convert to fraction form
706,194.20/1,057,908.90 = 424,875.80/x - Step 3: Cross multiply
706,194.20x = 1,057,908.90 × 424,875.80 - Step 4: Simplify right side
706,194.20x = 449,479,890,214.62 - Step 5: Solve for x
x = 449,479,890,214.62/706,194.20 - Step 6: Final answer
x = 636,481.99
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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.