Finding the Fourth Proportional to 636,662.68, 878,594.92 and 350,204.56
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Solution
The fourth proportional to 636,662.68, 878,594.92 and 350,204.56 is: 483,282.52
Step by Step Solution
- Step 1: Write the proportion equation
636,662.68 : 878,594.92 = 350,204.56 : x - Step 2: Convert to fraction form
636,662.68/878,594.92 = 350,204.56/x - Step 3: Cross multiply
636,662.68x = 878,594.92 × 350,204.56 - Step 4: Simplify right side
636,662.68x = 307,687,947,376.84 - Step 5: Solve for x
x = 307,687,947,376.84/636,662.68 - Step 6: Final answer
x = 483,282.52
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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.