Finding the Fourth Proportional to 828,895.08, 1,243,342.62 and 548,346.72
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Solution
The fourth proportional to 828,895.08, 1,243,342.62 and 548,346.72 is: 822,520.08
Step by Step Solution
- Step 1: Write the proportion equation
828,895.08 : 1,243,342.62 = 548,346.72 : x - Step 2: Convert to fraction form
828,895.08/1,243,342.62 = 548,346.72/x - Step 3: Cross multiply
828,895.08x = 1,243,342.62 × 548,346.72 - Step 4: Simplify right side
828,895.08x = 681,782,847,513.21 - Step 5: Solve for x
x = 681,782,847,513.21/828,895.08 - Step 6: Final answer
x = 822,520.08
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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.