Finding the Fourth Proportional to 868,137.08, 1,302,579.84 and 468,698.54
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Solution
The fourth proportional to 868,137.08, 1,302,579.84 and 468,698.54 is: 703,249.85
Step by Step Solution
- Step 1: Write the proportion equation
868,137.08 : 1,302,579.84 = 468,698.54 : x - Step 2: Convert to fraction form
868,137.08/1,302,579.84 = 468,698.54/x - Step 3: Cross multiply
868,137.08x = 1,302,579.84 × 468,698.54 - Step 4: Simplify right side
868,137.08x = 610,517,269,241.43 - Step 5: Solve for x
x = 610,517,269,241.43/868,137.08 - Step 6: Final answer
x = 703,249.85
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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.