Finding the Fourth Proportional to 891,273.18, 1,230,114.21 and 528,896.85
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Solution
The fourth proportional to 891,273.18, 1,230,114.21 and 528,896.85 is: 729,970.95
Step by Step Solution
- Step 1: Write the proportion equation
891,273.18 : 1,230,114.21 = 528,896.85 : x - Step 2: Convert to fraction form
891,273.18/1,230,114.21 = 528,896.85/x - Step 3: Cross multiply
891,273.18x = 1,230,114.21 × 528,896.85 - Step 4: Simplify right side
891,273.18x = 650,603,528,416.38 - Step 5: Solve for x
x = 650,603,528,416.38/891,273.18 - Step 6: Final answer
x = 729,970.95
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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.