Finding the Fourth Proportional to 801,620.38, 1,106,243.93 and 479,330.49
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Solution
The fourth proportional to 801,620.38, 1,106,243.93 and 479,330.49 is: 661,480.75
Step by Step Solution
- Step 1: Write the proportion equation
801,620.38 : 1,106,243.93 = 479,330.49 : x - Step 2: Convert to fraction form
801,620.38/1,106,243.93 = 479,330.49/x - Step 3: Cross multiply
801,620.38x = 1,106,243.93 × 479,330.49 - Step 4: Simplify right side
801,620.38x = 530,256,450,373.17 - Step 5: Solve for x
x = 530,256,450,373.17/801,620.38 - Step 6: Final answer
x = 661,480.75
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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.