Finding the Fourth Proportional to 427,032.68, 640,777.44 and 277,237.76
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Solution
The fourth proportional to 427,032.68, 640,777.44 and 277,237.76 is: 416,004.93
Step by Step Solution
- Step 1: Write the proportion equation
427,032.68 : 640,777.44 = 277,237.76 : x - Step 2: Convert to fraction form
427,032.68/640,777.44 = 277,237.76/x - Step 3: Cross multiply
427,032.68x = 640,777.44 × 277,237.76 - Step 4: Simplify right side
427,032.68x = 177,647,702,124.13 - Step 5: Solve for x
x = 177,647,702,124.13/427,032.68 - Step 6: Final answer
x = 416,004.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.