Finding the Fourth Proportional to 828,420.07, 1,242,891.11 and 295,929.31
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Solution
The fourth proportional to 828,420.07, 1,242,891.11 and 295,929.31 is: 443,987.20
Step by Step Solution
- Step 1: Write the proportion equation
828,420.07 : 1,242,891.11 = 295,929.31 : x - Step 2: Convert to fraction form
828,420.07/1,242,891.11 = 295,929.31/x - Step 3: Cross multiply
828,420.07x = 1,242,891.11 × 295,929.31 - Step 4: Simplify right side
828,420.07x = 367,807,907,107.79 - Step 5: Solve for x
x = 367,807,907,107.79/828,420.07 - Step 6: Final answer
x = 443,987.20
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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.