Finding the Fourth Proportional to 828,315.87, 1,242,475.56 and 229,278.75
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Solution
The fourth proportional to 828,315.87, 1,242,475.56 and 229,278.75 is: 343,918.61
Step by Step Solution
- Step 1: Write the proportion equation
828,315.87 : 1,242,475.56 = 229,278.75 : x - Step 2: Convert to fraction form
828,315.87/1,242,475.56 = 229,278.75/x - Step 3: Cross multiply
828,315.87x = 1,242,475.56 × 229,278.75 - Step 4: Simplify right side
828,315.87x = 284,873,243,302.35 - Step 5: Solve for x
x = 284,873,243,302.35/828,315.87 - Step 6: Final answer
x = 343,918.61
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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.