Finding the Fourth Proportional to 624,722.74, 862,101.57 and 349,082.98
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Solution
The fourth proportional to 624,722.74, 862,101.57 and 349,082.98 is: 481,725.68
Step by Step Solution
- Step 1: Write the proportion equation
624,722.74 : 862,101.57 = 349,082.98 : x - Step 2: Convert to fraction form
624,722.74/862,101.57 = 349,082.98/x - Step 3: Cross multiply
624,722.74x = 862,101.57 × 349,082.98 - Step 4: Simplify right side
624,722.74x = 300,944,985,118.28 - Step 5: Solve for x
x = 300,944,985,118.28/624,722.74 - Step 6: Final answer
x = 481,725.68
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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.