Finding the Fourth Proportional to 424,652.36, 633,576.49 and 338,863.64
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Solution
The fourth proportional to 424,652.36, 633,576.49 and 338,863.64 is: 505,580.70
Step by Step Solution
- Step 1: Write the proportion equation
424,652.36 : 633,576.49 = 338,863.64 : x - Step 2: Convert to fraction form
424,652.36/633,576.49 = 338,863.64/x - Step 3: Cross multiply
424,652.36x = 633,576.49 × 338,863.64 - Step 4: Simplify right side
424,652.36x = 214,696,035,619.82 - Step 5: Solve for x
x = 214,696,035,619.82/424,652.36 - Step 6: Final answer
x = 505,580.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.