Finding the Fourth Proportional to 624,912.84, 862,318.08 and 349,219.80
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Solution
The fourth proportional to 624,912.84, 862,318.08 and 349,219.80 is: 481,888.88
Step by Step Solution
- Step 1: Write the proportion equation
624,912.84 : 862,318.08 = 349,219.80 : x - Step 2: Convert to fraction form
624,912.84/862,318.08 = 349,219.80/x - Step 3: Cross multiply
624,912.84x = 862,318.08 × 349,219.80 - Step 4: Simplify right side
624,912.84x = 301,138,547,433.98 - Step 5: Solve for x
x = 301,138,547,433.98/624,912.84 - Step 6: Final answer
x = 481,888.88
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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.