Finding the Fourth Proportional to 799,133.16, 1,102,785.30 and 436,558.50
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Solution
The fourth proportional to 799,133.16, 1,102,785.30 and 436,558.50 is: 602,440.65
Step by Step Solution
- Step 1: Write the proportion equation
799,133.16 : 1,102,785.30 = 436,558.50 : x - Step 2: Convert to fraction form
799,133.16/1,102,785.30 = 436,558.50/x - Step 3: Cross multiply
799,133.16x = 1,102,785.30 × 436,558.50 - Step 4: Simplify right side
799,133.16x = 481,430,296,390.05 - Step 5: Solve for x
x = 481,430,296,390.05/799,133.16 - Step 6: Final answer
x = 602,440.65
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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.