Finding the Fourth Proportional to 828,268.70, 1,242,403.05 and 295,807.10
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Solution
The fourth proportional to 828,268.70, 1,242,403.05 and 295,807.10 is: 443,710.65
Step by Step Solution
- Step 1: Write the proportion equation
828,268.70 : 1,242,403.05 = 295,807.10 : x - Step 2: Convert to fraction form
828,268.70/1,242,403.05 = 295,807.10/x - Step 3: Cross multiply
828,268.70x = 1,242,403.05 × 295,807.10 - Step 4: Simplify right side
828,268.70x = 367,511,643,251.66 - Step 5: Solve for x
x = 367,511,643,251.66/828,268.70 - Step 6: Final answer
x = 443,710.65
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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.