Finding the Fourth Proportional to 828,107.76, 1,242,424.08 and 295,617
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Solution
The fourth proportional to 828,107.76, 1,242,424.08 and 295,617 is: 443,519.19
Step by Step Solution
- Step 1: Write the proportion equation
828,107.76 : 1,242,424.08 = 295,617 : x - Step 2: Convert to fraction form
828,107.76/1,242,424.08 = 295,617/x - Step 3: Cross multiply
828,107.76x = 1,242,424.08 × 295,617 - Step 4: Simplify right side
828,107.76x = 367,281,679,257.36 - Step 5: Solve for x
x = 367,281,679,257.36/828,107.76 - Step 6: Final answer
x = 443,519.19
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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.