Finding the Fourth Proportional to 891,271.76, 1,230,112.26 and 528,895.42
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Solution
The fourth proportional to 891,271.76, 1,230,112.26 and 528,895.42 is: 729,968.98
Step by Step Solution
- Step 1: Write the proportion equation
891,271.76 : 1,230,112.26 = 528,895.42 : x - Step 2: Convert to fraction form
891,271.76/1,230,112.26 = 528,895.42/x - Step 3: Cross multiply
891,271.76x = 1,230,112.26 × 528,895.42 - Step 4: Simplify right side
891,271.76x = 650,600,737,324.57 - Step 5: Solve for x
x = 650,600,737,324.57/891,271.76 - Step 6: Final answer
x = 729,968.98
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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.