Finding the Fourth Proportional to 624,978.99, 862,524.05 and 353,096.82
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Solution
The fourth proportional to 624,978.99, 862,524.05 and 353,096.82 is: 487,303.58
Step by Step Solution
- Step 1: Write the proportion equation
624,978.99 : 862,524.05 = 353,096.82 : x - Step 2: Convert to fraction form
624,978.99/862,524.05 = 353,096.82/x - Step 3: Cross multiply
624,978.99x = 862,524.05 × 353,096.82 - Step 4: Simplify right side
624,978.99x = 304,554,497,463.04 - Step 5: Solve for x
x = 304,554,497,463.04/624,978.99 - Step 6: Final answer
x = 487,303.58
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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.