Finding the Fourth Proportional to 603,728.63, 832,963.64 and 361,922.97
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Solution
The fourth proportional to 603,728.63, 832,963.64 and 361,922.97 is: 499,344.67
Step by Step Solution
- Step 1: Write the proportion equation
603,728.63 : 832,963.64 = 361,922.97 : x - Step 2: Convert to fraction form
603,728.63/832,963.64 = 361,922.97/x - Step 3: Cross multiply
603,728.63x = 832,963.64 × 361,922.97 - Step 4: Simplify right side
603,728.63x = 301,468,672,681.20 - Step 5: Solve for x
x = 301,468,672,681.20/603,728.63 - Step 6: Final answer
x = 499,344.67
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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.