Finding the Fourth Proportional to 636,493.84, 878,367.84 and 350,015.92
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Solution
The fourth proportional to 636,493.84, 878,367.84 and 350,015.92 is: 483,025.46
Step by Step Solution
- Step 1: Write the proportion equation
636,493.84 : 878,367.84 = 350,015.92 : x - Step 2: Convert to fraction form
636,493.84/878,367.84 = 350,015.92/x - Step 3: Cross multiply
636,493.84x = 878,367.84 × 350,015.92 - Step 4: Simplify right side
636,493.84x = 307,442,727,616.01 - Step 5: Solve for x
x = 307,442,727,616.01/636,493.84 - Step 6: Final answer
x = 483,025.46
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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.