Finding the Fourth Proportional to 804,950.90, 1,207,426.35 and 521,515.70
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Solution
The fourth proportional to 804,950.90, 1,207,426.35 and 521,515.70 is: 782,273.55
Step by Step Solution
- Step 1: Write the proportion equation
804,950.90 : 1,207,426.35 = 521,515.70 : x - Step 2: Convert to fraction form
804,950.90/1,207,426.35 = 521,515.70/x - Step 3: Cross multiply
804,950.90x = 1,207,426.35 × 521,515.70 - Step 4: Simplify right side
804,950.90x = 629,691,798,118.70 - Step 5: Solve for x
x = 629,691,798,118.70/804,950.90 - Step 6: Final answer
x = 782,273.55
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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.