Finding the Fourth Proportional to 759,016, 1,047,351.36 and 419,438.08
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Solution
The fourth proportional to 759,016, 1,047,351.36 and 419,438.08 is: 578,774.42
Step by Step Solution
- Step 1: Write the proportion equation
759,016 : 1,047,351.36 = 419,438.08 : x - Step 2: Convert to fraction form
759,016/1,047,351.36 = 419,438.08/x - Step 3: Cross multiply
759,016x = 1,047,351.36 × 419,438.08 - Step 4: Simplify right side
759,016x = 439,299,043,523.79 - Step 5: Solve for x
x = 439,299,043,523.79/759,016 - Step 6: Final answer
x = 578,774.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.