Finding the Fourth Proportional to 636,550.70, 878,422.43 and 350,070.75
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Solution
The fourth proportional to 636,550.70, 878,422.43 and 350,070.75 is: 483,087.99
Step by Step Solution
- Step 1: Write the proportion equation
636,550.70 : 878,422.43 = 350,070.75 : x - Step 2: Convert to fraction form
636,550.70/878,422.43 = 350,070.75/x - Step 3: Cross multiply
636,550.70x = 878,422.43 × 350,070.75 - Step 4: Simplify right side
636,550.70x = 307,509,997,136.57 - Step 5: Solve for x
x = 307,509,997,136.57/636,550.70 - Step 6: Final answer
x = 483,087.99
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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.