Finding the Fourth Proportional to 828,203.80, 1,242,305.70 and 295,979.80
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Solution
The fourth proportional to 828,203.80, 1,242,305.70 and 295,979.80 is: 443,969.70
Step by Step Solution
- Step 1: Write the proportion equation
828,203.80 : 1,242,305.70 = 295,979.80 : x - Step 2: Convert to fraction form
828,203.80/1,242,305.70 = 295,979.80/x - Step 3: Cross multiply
828,203.80x = 1,242,305.70 × 295,979.80 - Step 4: Simplify right side
828,203.80x = 367,697,392,624.86 - Step 5: Solve for x
x = 367,697,392,624.86/828,203.80 - Step 6: Final answer
x = 443,969.70
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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.