Finding the Fourth Proportional to 874,931.75, 1,207,405.83 and 472,523.75
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Solution
The fourth proportional to 874,931.75, 1,207,405.83 and 472,523.75 is: 652,082.78
Step by Step Solution
- Step 1: Write the proportion equation
874,931.75 : 1,207,405.83 = 472,523.75 : x - Step 2: Convert to fraction form
874,931.75/1,207,405.83 = 472,523.75/x - Step 3: Cross multiply
874,931.75x = 1,207,405.83 × 472,523.75 - Step 4: Simplify right side
874,931.75x = 570,527,930,563.46 - Step 5: Solve for x
x = 570,527,930,563.46/874,931.75 - Step 6: Final answer
x = 652,082.78
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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.