Finding the Fourth Proportional to 721,349.54, 1,082,122.68 and 300,527
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Solution
The fourth proportional to 721,349.54, 1,082,122.68 and 300,527 is: 450,831.48
Step by Step Solution
- Step 1: Write the proportion equation
721,349.54 : 1,082,122.68 = 300,527 : x - Step 2: Convert to fraction form
721,349.54/1,082,122.68 = 300,527/x - Step 3: Cross multiply
721,349.54x = 1,082,122.68 × 300,527 - Step 4: Simplify right side
721,349.54x = 325,207,082,652.36 - Step 5: Solve for x
x = 325,207,082,652.36/721,349.54 - Step 6: Final answer
x = 450,831.48
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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.