Finding the Fourth Proportional to 624,892.26, 862,347.02 and 338,405.79
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Solution
The fourth proportional to 624,892.26, 862,347.02 and 338,405.79 is: 466,997.66
Step by Step Solution
- Step 1: Write the proportion equation
624,892.26 : 862,347.02 = 338,405.79 : x - Step 2: Convert to fraction form
624,892.26/862,347.02 = 338,405.79/x - Step 3: Cross multiply
624,892.26x = 862,347.02 × 338,405.79 - Step 4: Simplify right side
624,892.26x = 291,823,224,557.25 - Step 5: Solve for x
x = 291,823,224,557.25/624,892.26 - Step 6: Final answer
x = 466,997.66
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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.