Finding the Fourth Proportional to 798,681.25, 1,102,174.59 and 436,105
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Solution
The fourth proportional to 798,681.25, 1,102,174.59 and 436,105 is: 601,821.88
Step by Step Solution
- Step 1: Write the proportion equation
798,681.25 : 1,102,174.59 = 436,105 : x - Step 2: Convert to fraction form
798,681.25/1,102,174.59 = 436,105/x - Step 3: Cross multiply
798,681.25x = 1,102,174.59 × 436,105 - Step 4: Simplify right side
798,681.25x = 480,663,849,571.95 - Step 5: Solve for x
x = 480,663,849,571.95/798,681.25 - Step 6: Final answer
x = 601,821.88
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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.