Finding the Fourth Proportional to 939,795.44, 1,409,680.84 and 229,829.64
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Solution
The fourth proportional to 939,795.44, 1,409,680.84 and 229,829.64 is: 344,741.45
Step by Step Solution
- Step 1: Write the proportion equation
939,795.44 : 1,409,680.84 = 229,829.64 : x - Step 2: Convert to fraction form
939,795.44/1,409,680.84 = 229,829.64/x - Step 3: Cross multiply
939,795.44x = 1,409,680.84 × 229,829.64 - Step 4: Simplify right side
939,795.44x = 323,986,439,972.10 - Step 5: Solve for x
x = 323,986,439,972.10/939,795.44 - Step 6: Final answer
x = 344,741.45
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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.