Finding the Fourth Proportional to 624,930.84, 862,342.92 and 349,237.80
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Solution
The fourth proportional to 624,930.84, 862,342.92 and 349,237.80 is: 481,913.72
Step by Step Solution
- Step 1: Write the proportion equation
624,930.84 : 862,342.92 = 349,237.80 : x - Step 2: Convert to fraction form
624,930.84/862,342.92 = 349,237.80/x - Step 3: Cross multiply
624,930.84x = 862,342.92 × 349,237.80 - Step 4: Simplify right side
624,930.84x = 301,162,744,226.38 - Step 5: Solve for x
x = 301,162,744,226.38/624,930.84 - Step 6: Final answer
x = 481,913.72
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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.